Cita APA

Ahrens, L. H., Rankama, K., & Runcorn, S. K. (1956). Physics and chemistry of the earth. New York: McGraw-Hill.

Citación estilo Chicago

Ahrens, L. H.,, Kalervo Rankama, and S. K. Runcorn. Physics and Chemistry of the Earth. New York: McGraw-Hill, 1956.

Cita MLA

Ahrens, L. H.,, Kalervo Rankama, and S. K. Runcorn. Physics and Chemistry of the Earth. New York: McGraw-Hill, 1956.