APA (7th ed.) Citation

Poglitsch, M., & Ryan, K. O. (2008). Middle childhood. Learning Seed.

Chicago Style (17th ed.) Citation

Poglitsch, Mike, and Kathleen O. Ryan. Middle Childhood. Chicago, IL: Learning Seed, 2008.

MLA (9th ed.) Citation

Poglitsch, Mike, and Kathleen O. Ryan. Middle Childhood. Learning Seed, 2008.