APA (7th ed.) Citation

Boyd, J. E., & Folk, S. B. (1950). Strength of materials (5th ed., rev.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Boyd, James E., and Samuel B. Folk. Strength of Materials. 5th ed., rev. New York: McGraw-Hill, 1950.

MLA (9th ed.) Citation

Boyd, James E., and Samuel B. Folk. Strength of Materials. 5th ed., rev. McGraw-Hill, 1950.