APA (7th ed.) Citation

Langhaar, H. L. (1962). Energy methods in applied mechanics. John Wiley.

Chicago Style (17th ed.) Citation

Langhaar, Henry Louis. Energy Methods in Applied Mechanics. New York: John Wiley, 1962.

MLA (9th ed.) Citation

Langhaar, Henry Louis. Energy Methods in Applied Mechanics. John Wiley, 1962.