APA (7th ed.) Citation

Baldwin, J. M. (1913). History of psychology: A sketch and an interpretation. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Baldwin, James Mark. History of Psychology: A Sketch and an Interpretation. New York: G.P. Putnam's Sons, 1913.

MLA (8th ed.) Citation

Baldwin, James Mark. History of Psychology: A Sketch and an Interpretation. G.P. Putnam's Sons, 1913.