Cita APA (7th ed.)

Ellwood, C. A. (1944). A history of social philosophy (4. Aufl.). Prentice-Hall, Inc..

Cita Chicago (17th ed.)

Ellwood, Charles A. A History of Social Philosophy. 4. Aufl. New York: Prentice-Hall, Inc., 1944.

Cita MLA (8th ed.)

Ellwood, Charles A. A History of Social Philosophy. 4. Aufl. Prentice-Hall, Inc., 1944.