APA (7th ed.) Citation

McKenny, M., & Bird, A. (1942). Trees of the countryside. A.A. Knopf.

Chicago Style (17th ed.) Citation

McKenny, Margaret, and Alice Bird. Trees of the Countryside. New York: A.A. Knopf, 1942.

MLA (9th ed.) Citation

McKenny, Margaret, and Alice Bird. Trees of the Countryside. A.A. Knopf, 1942.