APA (7th ed.) Citation

Jeffers, S., Ehrlich, A., & Andersen, H. C. (1981). The wild swans. Dial Books for Young Readers.

Chicago Style (17th ed.) Citation

Jeffers, Susan, Amy Ehrlich, and H. C. Andersen. The Wild Swans. New York: Dial Books for Young Readers, 1981.

MLA (9th ed.) Citation

Jeffers, Susan, et al. The Wild Swans. Dial Books for Young Readers, 1981.