Cita APA (7th ed.)

Leahey, T. H. (1980). A history of psychology: Main currents in psychological thought. Prentice-Hall.

Cita Chicago (17th ed.)

Leahey, Thomas H. A History of Psychology: Main Currents in Psychological Thought. Englewood Cliffs: Prentice-Hall, 1980.

Cita MLA (9th ed.)

Leahey, Thomas H. A History of Psychology: Main Currents in Psychological Thought. Prentice-Hall, 1980.