APA (7th ed.) Citation

Learning Seed Company, Phyfer, D., Poglitsch, M., & Ryan, K. O. (2009). Toddlers. Learning Seed.

Chicago Style (17th ed.) Citation

Learning Seed Company, David Phyfer, Mike Poglitsch, and Kathleen O. Ryan. Toddlers. [Chicago]: Learning Seed, 2009.

MLA (9th ed.) Citation

Learning Seed Company, et al. Toddlers. Learning Seed, 2009.