APA (7th ed.) Citation

Yates, E., & Unwin, N. S. (1989). Amos Fortune, free man. Puffin Books.

Chicago Style (17th ed.) Citation

Yates, Elizabeth, and Nora Spicer Unwin. Amos Fortune, Free Man. New York: Puffin Books, 1989.

MLA (9th ed.) Citation

Yates, Elizabeth, and Nora Spicer Unwin. Amos Fortune, Free Man. Puffin Books, 1989.