APA (7th ed.) Citation

Barker, H. C., & Harkins, M. R. (1939). Physics for science students. Pitman publishing corporation.

Chicago Style (17th ed.) Citation

Barker, Harold C., and Melvin R. Harkins. Physics for Science Students. New York, Chicago: Pitman publishing corporation, 1939.

MLA (9th ed.) Citation

Barker, Harold C., and Melvin R. Harkins. Physics for Science Students. Pitman publishing corporation, 1939.