APA (7th ed.) Citation

Dunn, P., Dunn, T., & Dunn, J. (1971). Animal friends. Creative Educational Society.

Chicago Style (17th ed.) Citation

Dunn, Phoebe, Tris Dunn, and Judy Dunn. Animal Friends. Mankato, Minn.: Creative Educational Society, 1971.

MLA (8th ed.) Citation

Dunn, Phoebe, et al. Animal Friends. Creative Educational Society, 1971.