APA (7th ed.) Citation

Marsico, K., Ostrom, B., & Willis, J. (2017). Digestion. AV2 by Weigl.

Chicago Style (17th ed.) Citation

Marsico, Katie, Bob Ostrom, and John Willis. Digestion. New York: AV2 by Weigl, 2017.

MLA (9th ed.) Citation

Marsico, Katie, et al. Digestion. AV2 by Weigl, 2017.