APA (7th ed.) Citation

Warner, G. C., & Cunningham, D. (1991). The lighthouse mystery. Albert Whitman & Co..

Chicago Style (17th ed.) Citation

Warner, Gertrude Chandler, and David Cunningham. The Lighthouse Mystery. Chicago: Albert Whitman & Co., 1991.

MLA (9th ed.) Citation

Warner, Gertrude Chandler, and David Cunningham. The Lighthouse Mystery. Albert Whitman & Co., 1991.