APA (7th ed.) Citation
Barnes, H. E., & Davis, J. (1931). An introduction to sociology. D.C. Heath.
Chicago Style (17th ed.) Citation
Barnes, Harry E., and Jerome Davis. An Introduction to Sociology. Boston: D.C. Heath, 1931.
MLA (9th ed.) Citation
Barnes, Harry E., and Jerome Davis. An Introduction to Sociology. D.C. Heath, 1931.
Warning: These citations may not always be 100% accurate.