APA (7th ed.) Citation

Johnson, J. E., Christie, J. F., & Yawkey, T. D. (1999). Play and early childhood development (2. ed.). Longman.

Chicago Style (17th ed.) Citation

Johnson, James E., James F. Christie, and Thomas D. Yawkey. Play and Early Childhood Development. 2. ed. New York [u.a.]: Longman, 1999.

MLA (9th ed.) Citation

Johnson, James E., et al. Play and Early Childhood Development. 2. ed. Longman, 1999.