Cita APA (7th ed.)

Leahey, T. H. (1991). A history of modern psychology. Prentice Hall.

Cita Chicago (17th ed.)

Leahey, Thomas Hardy. A History of Modern Psychology. Englewood Cliffs, N.J: Prentice Hall, 1991.

Cita MLA (9th ed.)

Leahey, Thomas Hardy. A History of Modern Psychology. Prentice Hall, 1991.