Cita APA

Johannsen, A. (1939). A Descriptive Petrography of the Igneous Rocks,vol.1. Allied.

Chicago Edition Citation

Johannsen, Albert. A Descriptive Petrography of the Igneous Rocks,vol.1. Bombay: Allied, 1939.

Cita MLA

Johannsen, Albert. A Descriptive Petrography of the Igneous Rocks,vol.1. Allied, 1939.

Atenció: Aquestes cites poden no estar 100% correctes.