APA (7th ed.) Citation

Rockwell, A. F., & Rockwell, H. (1970). Olly's polliwogs. Doubleday.

Chicago Style (17th ed.) Citation

Rockwell, Anne F., and Harlow Rockwell. Olly's Polliwogs. Garden City, N.Y.: Doubleday, 1970.

MLA (9th ed.) Citation

Rockwell, Anne F., and Harlow Rockwell. Olly's Polliwogs. Doubleday, 1970.