APA-viite (7. p.)

Cooper, H. (2002). recognizing Guston (in four slips). October.

Chicago-viite (17. p.)

Cooper, Harry. "Recognizing Guston (in Four Slips)." October 2002.

MLA-viite (8. p.)

Cooper, Harry. "Recognizing Guston (in Four Slips)." October, 2002.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.