Last Name, First Name, or Single Username [handle if different from name]. “Photo Title Shortened with Ellipses...” or Description. Instagram, Other contributors (if applicable), Day Month Year posted, URL (omit http:// or https://).

History Channel. “Everything must come to an end, and on #ThisDayinHistory 2007, the seventh and final Harry Potter novel...” Instagram, photographed by Bill Kravitz, 21 Jul. 2017, www.instagram.com/p/BW0FuFGj9Fp/.

Account holder’s Last Name, First Initial, or Username [@Username if different from real name]. (Year, Month Day Published). Photo title up to first 20 words [Photograph]. Instagram.URL

History Channel [@history]. (2017, July 21). Everything must come to an end, and on #ThisDayinHistory 2007, the seventh and final Harry Potter novel, Harry Potter and [Photograph]. Instagram. https://www.instagram.com/p/BW0FuFGj9Fp/

Account holder’s Last name, First name, or Username. “Photo title or description, up to 160 characters.” Instagram, Month Day, Year published. URL.

History Channel. “Everything must come to an end, and on #ThisDayinHistory 2007, the seventh and final Harry Potter novel, Harry Potter and the Deathly Hallows, was released.” Instagram, July 21, 2017. https://www.instagram.com/p/BW0FuFGj9Fp/.

Last Name, First Name (or Username or Page name). “Title or First several words of the post…” Facebook, Day Month Year posted, URL without http:// or https://.

Carey, Theresa. “Elephant seals recognize vocal rhythms to avoid bullies…” Facebook, 20 Jul. 2017, www.facebook.com/pbs/.

Account holder’s Last Name, First Initial, or Username [@Username if different from real name]. (Year, Month Day Posted). Up to the first 20 words of the post... [Media Type]. Facebook URL

Carey, Theresa. (2017, July 20). Elephant seals recognize vocal rhythms to avoid bullies [Status update]. Facebook. https://www.facebook.com/pbs/

Account holder’s Last name, First name, or Username. “Title or the first 160 characters.” Facebook, Month Day, Year published. URL.

Carey, Theresa. “Elephant seals recognize vocal rhythms to avoid bullies.” Facebook, July 20, 2017. https://www.facebook.com/pbs/

Last Name, First Name (if available) [@TwitterHandle if different from name]. Description or “First several words of tweet…” Twitter, Day Month Year posted, URL (omit http:// or https://).

Britannica. “Nelson Mandela, who fought for racial equality and became South Africa’s 1st black president, was born #OTD in 1918…” Twitter, 18 Jul. 2017, twitter.com/Britannica/status/887382776747630594.

Last name, F. [Twitter handle]. (Year, Month Day). Content of tweet up to 20 words [Tweet]. Twitter. Retrieved from URL

Example:

Encyclopedia Britannica. [@Britannica]. (2017, July 18). Nelson Mandela, who fought for racial equality and became South Africa’s 1st black president, was born #OTD in 1918 [Tweet]. Twitter. Retrieved from https://twitter.com/Britannica/status/887382776747630594

Account holder’s Last name, First name, or Username. “Title or the first 160 characters.” Twitter, Month Day, Year published. URL.

Encyclopedia Britannica. “Nelson Mandela, who fought for racial equality and became South Africa’s 1st black president, was born #OTD in 1918.” Twitter, July 18, 2017. https://twitter.com/Britannica/status/887382776747630594.