APA (7th ed.) Citation

O'Brien, P. (2002). Mammoth. Henry Holt.

Chicago Style (17th ed.) Citation

O'Brien, Patrick. Mammoth. New York: Henry Holt, 2002.

MLA (9th ed.) Citation

O'Brien, Patrick. Mammoth. Henry Holt, 2002.

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