APA (7th ed.) Citation

Dewey, R. E., & Hurlbutt, R. H. (1977). An introduction to ethics. Macmillan.

Chicago Style (17th ed.) Citation

Dewey, Robert E., and Robert H. Hurlbutt. An Introduction to Ethics. New York: Macmillan, 1977.

MLA (9th ed.) Citation

Dewey, Robert E., and Robert H. Hurlbutt. An Introduction to Ethics. Macmillan, 1977.