APA (7th ed.) Citation

Conford, E., & Wells, R. (1971). Impossible, possum ([1st ed.].). Little, Brown.

Chicago Style (17th ed.) Citation

Conford, Ellen, and Rosemary Wells. Impossible, Possum. [1st ed.]. Boston: Little, Brown, 1971.

MLA (9th ed.) Citation

Conford, Ellen, and Rosemary Wells. Impossible, Possum. [1st ed.]. Little, Brown, 1971.