APA (7th ed.) Citation

Petersen, R., & Petersen, W. (1960). University adult education: A guide to policy. Harper.

Chicago Style (17th ed.) Citation

Petersen, Renee, and William Petersen. University Adult Education: A Guide to Policy. New York, NY: Harper, 1960.

MLA (9th ed.) Citation

Petersen, Renee, and William Petersen. University Adult Education: A Guide to Policy. Harper, 1960.