APA (7th ed.) Citation

Irwin, D. M., & Bushnell, M. (1980). Observational strategies for child study. Holt, Rinehart, and Winston.

Chicago Style (17th ed.) Citation

Irwin, D. Michelle, and Margaret Bushnell. Observational Strategies for Child Study. New York: Holt, Rinehart, and Winston, 1980.

MLA (9th ed.) Citation

Irwin, D. Michelle, and Margaret Bushnell. Observational Strategies for Child Study. Holt, Rinehart, and Winston, 1980.