Cita APA (7a ed.)

Wundt, W. M. (1973). An introduction to psychology. Arno Press.

Cita Chicago Style (17a ed.)

Wundt, Wilhelm Max. An Introduction to Psychology. New York: Arno Press, 1973.

Cita MLA (9a ed.)

Wundt, Wilhelm Max. An Introduction to Psychology. Arno Press, 1973.