APA (7th ed.) Citation

Warner, G. C. (1966). Caboose mystery. A. Whitman.

Chicago Style (17th ed.) Citation

Warner, Gertrude Chandler. Caboose Mystery. Morton Grove, IL: A. Whitman, 1966.

MLA (9th ed.) Citation

Warner, Gertrude Chandler. Caboose Mystery. A. Whitman, 1966.