APA (7th ed.) Citation

Younger, J. E. (1938). Mechanics for engineering students. International Textbook Co..

Chicago Style (17th ed.) Citation

Younger, John E. Mechanics for Engineering Students. Scranton, Pa.: International Textbook Co., 1938.

MLA (9th ed.) Citation

Younger, John E. Mechanics for Engineering Students. International Textbook Co., 1938.