Cita APA (7th ed.)

Richards, J. W. (1906). Metallurgical calculations. McGraw-Hill.

Cita Chicago (17th ed.)

Richards, Joseph William. Metallurgical Calculations. New York: McGraw-Hill, 1906.

Cita MLA (9th ed.)

Richards, Joseph William. Metallurgical Calculations. McGraw-Hill, 1906.