Cita APA

Ahrens, L. H. 1., Rankama, K., & Runcorn, S. (1956). Physics and chemistry of the earth. Pergamon.

Citación estilo Chicago

Ahrens, L. H. 1918-, Kalervo Rankama, and S.K Runcorn. Physics and Chemistry of the Earth. London: Pergamon, 1956.

Cita MLA

Ahrens, L. H. 1918-, Kalervo Rankama, and S.K Runcorn. Physics and Chemistry of the Earth. London: Pergamon, 1956.