Cita APA (7a ed.)

Barnes, H. E. (1948). Historical sociology: Its origins and development. Philosophical Library.

Cita Chicago Style (17a ed.)

Barnes, Harry Elmer. Historical Sociology: Its Origins and Development. New York: Philosophical Library, 1948.

Cita MLA (9a ed.)

Barnes, Harry Elmer. Historical Sociology: Its Origins and Development. Philosophical Library, 1948.