APA (7th ed.) Citation

Colvin, F. H., & Duffin, D. J. (1947). 60 years with men and machines. Whittlesey house, McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Colvin, Fred H., and D. J. Duffin. 60 Years with Men and Machines. New York, London: Whittlesey house, McGraw-Hill book company, inc., 1947.

MLA (9th ed.) Citation

Colvin, Fred H., and D. J. Duffin. 60 Years with Men and Machines. Whittlesey house, McGraw-Hill book company, inc., 1947.