Cita APA (7th ed.)

Hendrickson, R. C., & Cook, F. J. (1956). Youth in danger. Harcourt, Brace.

Cita Chicago (17th ed.)

Hendrickson, Robert C., i Fred J. Cook. Youth in Danger. N.Y.: Harcourt, Brace, 1956.

Cita MLA (8th ed.)

Hendrickson, Robert C., i Fred J. Cook. Youth in Danger. Harcourt, Brace, 1956.