Cita APA (7a ed.)

Hussak, E., & Smith, E. G. The determination of rock-forming minerals.

Cita Chicago Style (17a ed.)

Hussak, Eugen, y Erastus Gilbert Smith. The Determination of Rock-forming Minerals. New York.

Cita MLA (8a ed.)

Hussak, Eugen, y Erastus Gilbert Smith. The Determination of Rock-forming Minerals.