APA (7th ed.) Citation

Gillin, J. L., & Gillin, J. P. (1945). An introduction to sociology. Macmillan.

Chicago Style (17th ed.) Citation

Gillin, John Lewis, and John P. Gillin. An Introduction to Sociology. New York, NY: Macmillan, 1945.

MLA (9th ed.) Citation

Gillin, John Lewis, and John P. Gillin. An Introduction to Sociology. Macmillan, 1945.