Cita APA (7th ed.)

Shull, A. F. (1938). Heredity (3d ed.). McGraw-Hill Book.

Cita Chicago (17th ed.)

Shull, A. Franklin. Heredity. 3d ed. New York: McGraw-Hill Book, 1938.

Cita MLA (9th ed.)

Shull, A. Franklin. Heredity. 3d ed. McGraw-Hill Book, 1938.