Cita APA (7a ed.)

Poorman, A. P. (1945). Strength of Materials. McGraw Hill Book Company.

Cita Chicago Style (17a ed.)

Poorman, Alfred P. Strength of Materials. New York: McGraw Hill Book Company, 1945.

Cita MLA (9a ed.)

Poorman, Alfred P. Strength of Materials. McGraw Hill Book Company, 1945.