APA (7th ed.) Citation

Travers, P. L., & Shepard, M. (1934). Mary Poppins. Reynal & Hitchcock.

Chicago Style (17th ed.) Citation

Travers, P. L., and Mary Shepard. Mary Poppins. New York: Reynal & Hitchcock, 1934.

MLA (9th ed.) Citation

Travers, P. L., and Mary Shepard. Mary Poppins. Reynal & Hitchcock, 1934.