APA (7th ed.) Citation

Hartup, W. (1983). Peer relations. Handbook of child psychology, ed. by P.H. Mussen, New York, P.103-196, 103.

Chicago Style (17th ed.) Citation

Hartup, W.W. "Peer Relations." Handbook of Child Psychology, Ed. by P.H. Mussen, New York, P.103-196 1983: 103.

MLA (9th ed.) Citation

Hartup, W.W. "Peer Relations." Handbook of Child Psychology, Ed. by P.H. Mussen, New York, P.103-196, 1983, p. 103.