APA Style

O'Brien, Cormac. (2004). Secret Lives of the U.S Presidents . Singapore: Quirk Books.

Chicago Style

O'Brien, Cormac. Secret Lives of the U.S Presidents. Singapore: Quirk Books, 2004. Text.

MLA Style

O'Brien, Cormac. Secret Lives of the U.S Presidents. Singapore: Quirk Books, 2004. Text.

Turabian Style

O'Brien, Cormac. Secret Lives of the U.S Presidents. Singapore: Quirk Books, 2004. Print.