Cita APA (7th ed.)

Heider, F. (1958). The Psychology of Interpersonal Relations. Lawrence Erlbaum Associates.

Cita Chicago (17th ed.)

Heider, Fritz. The Psychology of Interpersonal Relations. Hillsdale, N.J.: Lawrence Erlbaum Associates, 1958.

Cita MLA (9th ed.)

Heider, Fritz. The Psychology of Interpersonal Relations. Lawrence Erlbaum Associates, 1958.

Atenció: Aquestes cites poden no estar 100% correctes.