APA (7th ed.) Citation

Warner, G. C., & Cunningham, D. (1976). Benny uncovers a mystery. A. Whitman.

Chicago Style (17th ed.) Citation

Warner, Gertrude Chandler, and David Cunningham. Benny Uncovers a Mystery. Morton Grove, Ill.: A. Whitman, 1976.

MLA (9th ed.) Citation

Warner, Gertrude Chandler, and David Cunningham. Benny Uncovers a Mystery. A. Whitman, 1976.