Cita APA (7a ed.)

Ellwood, C. A. (1925). The psychology of human society: An introduction to sociological theory. D. Appleton and company.

Cita Chicago Style (17a ed.)

Ellwood, Charles A. The Psychology of Human Society: An Introduction to Sociological Theory. New York, London: D. Appleton and company, 1925.

Cita MLA (8a ed.)

Ellwood, Charles A. The Psychology of Human Society: An Introduction to Sociological Theory. D. Appleton and company, 1925.