PastPages

MLA

"The Guardian homepage at May 15, 2012, 3:10 a.m. UTC." PastPages. 15 May 2012. Web. 20 May 2013. <http://www.pastpages.org/screenshot/22505/>

APA

The Guardian homepage at May 15, 2012, 3:10 a.m. UTC. (2012, May 15). PastPages. Retrieved from http://www.pastpages.org/screenshot/22505/

Chicago

"The Guardian homepage at May 15, 2012, 3:10 a.m. UTC." PastPages. Last modified May 15, 2012, http://www.pastpages.org/screenshot/22505/.

Wikipedia

{{cite web
    | url = http://www.pastpages.org/screenshot/22505/
    | title = The Guardian homepage at May 15, 2012, 3:10 a.m. UTC
    | publisher = PastPages
    | date = May 15, 2012
    | accessdate = May 20, 2013
    | ref = {{harvid|PastPages-22505|2012}}
}}