APA (7th ed.) Citation

Adams, A. B. (1969). Eternal quest: The story of the great naturalists. Putnam.

Chicago Style (17th ed.) Citation

Adams, Alexander B. Eternal Quest: The Story of the Great Naturalists. New York: Putnam, 1969.

MLA (9th ed.) Citation

Adams, Alexander B. Eternal Quest: The Story of the Great Naturalists. Putnam, 1969.