APA (7th ed.) Citation

Goodpaster, K. E., & Sayre, K. M. (1979). Ethics and problems of the 21st century. University of Notre Dame Press.

Chicago Style (17th ed.) Citation

Goodpaster, Kenneth E., and Kenneth M. Sayre. Ethics and Problems of the 21st Century. Notre Dame, Ind. [u.a.]: University of Notre Dame Press, 1979.

MLA (8th ed.) Citation

Goodpaster, Kenneth E., and Kenneth M. Sayre. Ethics and Problems of the 21st Century. University of Notre Dame Press, 1979.