APA (7th ed.) Citation

Barnes, H. E. (1925). The history and prospects of the social sciences. A. A. Knopf.

Chicago Style (17th ed.) Citation

Barnes, Harry Elmer. The History and Prospects of the Social Sciences. New York: A. A. Knopf, 1925.

MLA (9th ed.) Citation

Barnes, Harry Elmer. The History and Prospects of the Social Sciences. A. A. Knopf, 1925.