Cita APA (7th ed.)

LULL, R. S. (1976). Organic Evolution. Macmillan Publishing Co..

Cita Chicago (17th ed.)

LULL, RICHARD SWANN. Organic Evolution. New York: Macmillan Publishing Co., 1976.

Cita MLA (9th ed.)

LULL, RICHARD SWANN. Organic Evolution. Macmillan Publishing Co., 1976.