APA Edition Citation

O`Brien,Derek. (2008). Derek`s Picks: Best quizzes of Derek O`Brien. Penguin Group.

Chicago Edition Citation

O`Brien,Derek. Derek`s Picks: Best Quizzes of Derek O`Brien. New-Delhi: Penguin Group, 2008.

MLA Edition Citation

O`Brien,Derek. Derek`s Picks: Best Quizzes of Derek O`Brien. Penguin Group, 2008.

Warning: These citations may not always be 100% accurate.