Cita APA (7a ed.)

Wolfe, J. H., & Phelps, E. R. (1960). Practical shop mathematics (4a ed.). McGraw-Hill book company.

Cita Chicago Style (17a ed.)

Wolfe, John H., y Everett R. Phelps. Practical Shop Mathematics. 4a ed. New York: McGraw-Hill book company, 1960.

Cita MLA (9a ed.)

Wolfe, John H., y Everett R. Phelps. Practical Shop Mathematics. 4a ed. McGraw-Hill book company, 1960.