APA (7th ed.) Citation

Bascom, J. (1869). The principles of psychology. G. P. Putnam.

Chicago Style (17th ed.) Citation

Bascom, John. The Principles of Psychology. New York: G. P. Putnam, 1869.

MLA (9th ed.) Citation

Bascom, John. The Principles of Psychology. G. P. Putnam, 1869.