Cita APA (7th ed.)

Ilg, F. L., & Ames, L. (1962). Parents ask. Harper.

Cita Chicago (17th ed.)

Ilg, Frances Lillian, i Louise Ames. Parents Ask. New York: Harper, 1962.

Cita MLA (9th ed.)

Ilg, Frances Lillian, i Louise Ames. Parents Ask. Harper, 1962.