Cita APA

Stefferud, A., & Briggs, S. (1956). The wonders of seeds. Harcourt, Brace and Company.

Citación estilo Chicago

Stefferud, Alfred, and Shirley Briggs. The Wonders of Seeds. New York: Harcourt, Brace and Company, 1956.

Cita MLA

Stefferud, Alfred, and Shirley Briggs. The Wonders of Seeds. Harcourt, Brace and Company, 1956.