APA (7th ed.) Citation

Engineers' Council for Professional Development & Dougherty, N. W. (1959). Your approach to professionalism. Engineers' Council for Professional Development.

Chicago Style (17th ed.) Citation

Engineers' Council for Professional Development and Nathan Washington Dougherty. Your Approach to Professionalism. New York: Engineers' Council for Professional Development, 1959.

MLA (8th ed.) Citation

Engineers' Council for Professional Development and Nathan Washington Dougherty. Your Approach to Professionalism. Engineers' Council for Professional Development, 1959.