Cita APA (7a ed.)

Freedman, J. L. (1978). Introductory psychology. Addison Wesley.

Cita Chicago Style (17a ed.)

Freedman, Jonathan L. Introductory Psychology. Massachusetts: Addison Wesley, 1978.

Cita MLA (9a ed.)

Freedman, Jonathan L. Introductory Psychology. Addison Wesley, 1978.