APA (7th ed.) Citation

Duckat, W. B. (1970). A guide to professional careers. J. Messner.

Chicago Style (17th ed.) Citation

Duckat, Walter B. A Guide to Professional Careers. New York: J. Messner, 1970.

MLA (9th ed.) Citation

Duckat, Walter B. A Guide to Professional Careers. J. Messner, 1970.