APA (7th ed.) Citation

Poglitsch, M., Ryan, K. O., & Blahut, B. (2013). Elements of human nutrition. Learning Seed.

Chicago Style (17th ed.) Citation

Poglitsch, Mike, Kathleen O. Ryan, and Bohus Blahut. Elements of Human Nutrition. Chicago, IL: Learning Seed, 2013.

MLA (9th ed.) Citation

Poglitsch, Mike, et al. Elements of Human Nutrition. Learning Seed, 2013.