Cita APA (7th ed.)

Gesell, A., Ilg, F. L., & Ames, L. B. (1965). Youth: The years from ten to sixteen ([First edition].). Harper.

Cita Chicago (17th ed.)

Gesell, Arnold, Frances Lillian Ilg, i Louise Bates Ames. Youth: The Years from Ten to Sixteen. [First edition]. New York: Harper, 1965.

Cita MLA (9th ed.)

Gesell, Arnold, et al. Youth: The Years from Ten to Sixteen. [First edition]. Harper, 1965.