Cita APA (7th ed.)

Johnson, R. E. (1970). Copper and Nickel converters (1a. ed.). AIME.

Cita Chicago (17th ed.)

Johnson, Robert E. Copper and Nickel Converters. 1a. ed. Nueva York: AIME, 1970.

Cita MLA (9th ed.)

Johnson, Robert E. Copper and Nickel Converters. 1a. ed. AIME, 1970.