APA (7th ed.) Citation

Ward, L. F. (1921). Pure sociology (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Ward, Lester Frank. Pure Sociology. 2nd ed. New York: Macmillan, 1921.

MLA (9th ed.) Citation

Ward, Lester Frank. Pure Sociology. 2nd ed. Macmillan, 1921.