Cita APA (7th ed.)
Barnes, H. E. (1947). A survey of western civilization. T. Y. Crowell Co..
Cita Chicago (17th ed.)
Barnes, Harry Elmer. A Survey of Western Civilization. New York: T. Y. Crowell Co., 1947.
Cita MLA (9th ed.)
Barnes, Harry Elmer. A Survey of Western Civilization. T. Y. Crowell Co., 1947.
Atenció: Aquestes cites poden no estar 100% correctes.