Cita APA (7a ed.)

Richards, R. H., & Locke, C. E. (1940). Texbook of ore dressing (3a ed.). Mcgraw-Hill de España, S.A.

Cita Chicago Style (17a ed.)

Richards, Robert H., y Charles E. Locke. Texbook of Ore Dressing. 3a ed. New York: Mcgraw-Hill de España, S.A, 1940.

Cita MLA (9a ed.)

Richards, Robert H., y Charles E. Locke. Texbook of Ore Dressing. 3a ed. Mcgraw-Hill de España, S.A, 1940.