Citazione Stile APA (7a Edizione)

King, F. M. (1981). Understanding people (2. ed.). Laidlaw.

Citazione stile Chigago Style (17a edizione)

King, Frederick M. Understanding People. 2. ed. River Forest, Ill. [u.a.]: Laidlaw, 1981.

Citatione MLA (9a ed.)

King, Frederick M. Understanding People. 2. ed. Laidlaw, 1981.