Cita APA (7th ed.)

LANGE, O. General geology. The Foreign Languages Publishing House.

Cita Chicago (17th ed.)

LANGE, O. General Geology. Mascow: The Foreign Languages Publishing House.

Cita MLA (9th ed.)

LANGE, O. General Geology. The Foreign Languages Publishing House.

Atenció: Aquestes cites poden no estar 100% correctes.