APA (7th ed.) Citation

Petersen, D. (2011). Snowy Valentine. Harper.

Chicago Style (17th ed.) Citation

Petersen, David. Snowy Valentine. New York, NY: Harper, 2011.

MLA (8th ed.) Citation

Petersen, David. Snowy Valentine. Harper, 2011.

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