Cita APA (7a ed.)

Beer, F. P., & Johnston, R. (1981). Mechanics of materials. McGraw-Hill.

Cita Chicago Style (17a ed.)

Beer, Ferdinand P., y Russell Johnston. Mechanics of Materials. New York: McGraw-Hill, 1981.

Cita MLA (8a ed.)

Beer, Ferdinand P., y Russell Johnston. Mechanics of Materials. McGraw-Hill, 1981.