APA (7th ed.) Citation

Cowell, A. (1961). The heart of the forest ([1st American ed.].). Knopf.

Chicago Style (17th ed.) Citation

Cowell, Adrian. The Heart of the Forest. [1st American ed.]. New York: Knopf, 1961.

MLA (9th ed.) Citation

Cowell, Adrian. The Heart of the Forest. [1st American ed.]. Knopf, 1961.