Cita APA (7a ed.)

Barnes, H. E. (1961). An introduction to the history of sociology. University.

Cita Chicago Style (17a ed.)

Barnes, Harry Elmer. An Introduction to the History of Sociology. Chicago: University, 1961.

Cita MLA (9a ed.)

Barnes, Harry Elmer. An Introduction to the History of Sociology. University, 1961.