APA (7th ed.) Citation

Cowie, H., & Smith, P. K. (1992). Understanding Children's development (2nd ed.). Blackwell.

Chicago Style (17th ed.) Citation

Cowie, Helen, and Peter K. Smith. Understanding Children's Development. 2nd ed. Oxford: Blackwell, 1992.

MLA (8th ed.) Citation

Cowie, Helen, and Peter K. Smith. Understanding Children's Development. 2nd ed. Blackwell, 1992.