Cita APA (7a ed.)

Gajda, G. J. (1976). Gold refining (2nd ed.). G.J. Gajda.

Cita Chicago Style (17a ed.)

Gajda, George J. Gold Refining. 2nd ed. Santa Monica, Calif: G.J. Gajda, 1976.

Cita MLA (9a ed.)

Gajda, George J. Gold Refining. 2nd ed. G.J. Gajda, 1976.