Cita APA (7th ed.)

Gregory, E., & Simons, E. N. (1943). The mechanical working of steel. Pitman.

Cita Chicago (17th ed.)

Gregory, Edwin, i Eric N. Simons. The Mechanical Working of Steel. London: Pitman, 1943.

Cita MLA (8th ed.)

Gregory, Edwin, i Eric N. Simons. The Mechanical Working of Steel. Pitman, 1943.