APA (7th ed.) Citation

Campbell, R. E. (1973). Career guidance: A handbook of methods. Ohio, Merrill.

Chicago Style (17th ed.) Citation

Campbell, Robert Edward. Career Guidance: A Handbook of Methods. Columbus: Ohio, Merrill, 1973.

MLA (9th ed.) Citation

Campbell, Robert Edward. Career Guidance: A Handbook of Methods. Ohio, Merrill, 1973.