Cita APA

O`Brien Derek. (2008). Derek`s Picks: The Best Quizzes of Derek O`Brien (NA.). Penguein Books.

Citación estilo Chicago

O`Brien Derek. Derek`s Picks: The Best Quizzes of Derek O`Brien. NA. New Delhi: Penguein Books, 2008.

Cita MLA

O`Brien Derek. Derek`s Picks: The Best Quizzes of Derek O`Brien. NA. Penguein Books, 2008.