APA (7th ed.) Citation

Kelly, H. C. (1972). Clock repairing as a hobby. Association Press.

Chicago Style (17th ed.) Citation

Kelly, Harold Caleb. Clock Repairing as a Hobby. New York: Association Press, 1972.

MLA (9th ed.) Citation

Kelly, Harold Caleb. Clock Repairing as a Hobby. Association Press, 1972.