APA (7e ed.) Bronvermelding

Gesell, A. (1956). Youth: The years from ten to sixteen ([1st ed.].). Harpe.

Chicago (17e ed.) Bronvermelding

Gesell, Arnold. Youth: The Years from Ten to Sixteen. [1st ed.]. New York: Harpe, 1956.

MLA (9e ed.) Bronvermelding

Gesell, Arnold. Youth: The Years from Ten to Sixteen. [1st ed.]. Harpe, 1956.