APA Edition Citation

OBrien, D. . .. (2007). Penguin year book 2007. Penguin Books.

Chicago Edition Citation

OBrien, Derek. Penguin Year Book 2007. London: Penguin Books, 2007.

MLA Edition Citation

OBrien, Derek. Penguin Year Book 2007. Penguin Books, 2007.

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