Cita APA (7th ed.)

(1992). Understanding psychology. Glencoe/McGraw-Hill.

Cita Chicago (17th ed.)

Understanding Psychology. Westerville, Ohio: Glencoe/McGraw-Hill, 1992.

Cita MLA (9th ed.)

Understanding Psychology. Glencoe/McGraw-Hill, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.