Cita APA (7a ed.)

Benjamin, L. T. (1993). A history of psychology in letters. Brown & Benchmark.

Cita Chicago Style (17a ed.)

Benjamin, Ludy T. A History of Psychology in Letters. Dubuque: Brown & Benchmark, 1993.

Cita MLA (9a ed.)

Benjamin, Ludy T. A History of Psychology in Letters. Brown & Benchmark, 1993.