Cita APA (7a ed.)

Ilg, F. L., & Ames, L. B. (1955). Child behavior. Harper.

Cita Chicago Style (17a ed.)

Ilg, Frances Lillian, y Louise Bates Ames. Child Behavior. New York: Harper, 1955.

Cita MLA (9a ed.)

Ilg, Frances Lillian, y Louise Bates Ames. Child Behavior. Harper, 1955.