Cita APA (7a ed.)

Leahey, T. H. (1987). A history of psychology: Main currents in psychological thought (2nd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Leahey, Thomas Hardy. A History of Psychology: Main Currents in Psychological Thought. 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, 1987.

Cita MLA (9a ed.)

Leahey, Thomas Hardy. A History of Psychology: Main Currents in Psychological Thought. 2nd ed. Prentice-Hall, 1987.