(1937). Vol. 32, № 2-4; Economic Geology. 1937.
Cita Chicago (17th ed.)Vol. 32, № 2-4; Economic Geology. 1937, 1937.
Cita MLA (9th ed.)Vol. 32, № 2-4; Economic Geology. 1937, 1937.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)