APA (7th ed.) Citation

Drumlin, S. (2013). Harp seals. The Rosen Publlishing Group Inc..

Chicago Style (17th ed.) Citation

Drumlin, Sam. Harp Seals. New York: The Rosen Publlishing Group Inc., 2013.

MLA (9th ed.) Citation

Drumlin, Sam. Harp Seals. The Rosen Publlishing Group Inc., 2013.

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