APA (7th ed.) Citation

Allen, C. F. (1919). Business law for engineers (2d ed.). McGraw-Hill book company, inc.; [etc., etc.].

Chicago Style (17th ed.) Citation

Allen, C. Frank. Business Law for Engineers. 2d ed. New York: McGraw-Hill book company, inc.; [etc., etc.], 1919.

MLA (9th ed.) Citation

Allen, C. Frank. Business Law for Engineers. 2d ed. McGraw-Hill book company, inc.; [etc., etc.], 1919.