APA

Kagan J., Coles R. & Tanner J. M. (1972). Twelve to sixteen: early adolescence. New York: Norton.

Chicago

Kagan Jerome, Coles Robert and Tanner J M. 1972. Twelve to sixteen: early adolescence. New York: Norton.

Harvard

Kagan J., Coles R. and Tanner J. M. (1972). Twelve to sixteen: early adolescence. New York: Norton.

MLA

Kagan Jerome, Coles Robert and Tanner J M. Twelve to sixteen: early adolescence. New York: Norton. 1972.