Cita APA (7th ed.)

Saunders, J. W. (1982). Developmental biology: Patterns, problems, principles. Macmillan.

Cita Chicago (17th ed.)

Saunders, John W. Developmental Biology: Patterns, Problems, Principles. New York: Macmillan, 1982.

Cita MLA (9th ed.)

Saunders, John W. Developmental Biology: Patterns, Problems, Principles. Macmillan, 1982.