APA (7th ed.) Zitazioa
Penthouse. (1978). The Best of Penthouse Cartoons. Ace Books.
Chicago Style (17th ed.) Zitazioa
Penthouse. The Best of Penthouse Cartoons. Nueva York, EUA: Ace Books, 1978.
MLA (9th ed.) Zitazioa
Penthouse. The Best of Penthouse Cartoons. Ace Books, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.