APA (7th ed.) Citation

Benjamin, L. T. (2006). A history of psychology in letters (2nd ed.). Blackwell Pub..

Chicago Style (17th ed.) Citation

Benjamin, Ludy T. A History of Psychology in Letters. 2nd ed. Malden, MA: Blackwell Pub., 2006.

MLA (9th ed.) Citation

Benjamin, Ludy T. A History of Psychology in Letters. 2nd ed. Blackwell Pub., 2006.