APA (7th ed.) Citation

Poorman, A. P. (1945). Strength of materials (4th ed.). McGraw-Hill, Inc.

Chicago Style (17th ed.) Citation

Poorman, Alfred P. Strength of Materials. 4th ed. New York: McGraw-Hill, Inc, 1945.

MLA (9th ed.) Citation

Poorman, Alfred P. Strength of Materials. 4th ed. McGraw-Hill, Inc, 1945.