APA (7th ed.) Citation

O' Brien,Derek. (2006). Penguin CRY Quiz Book 1 (NA.). Penguin books.

Chicago Style (17th ed.) Citation

O' Brien,Derek. Penguin CRY Quiz Book 1. NA. New Delhi: Penguin books, 2006.

MLA (9th ed.) Citation

O' Brien,Derek. Penguin CRY Quiz Book 1. NA. Penguin books, 2006.

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