APA (7th ed.) Citation

ScienceDirect (Online service), Ahrens, L. H., Press, F., Runcorn, S. K., & Urey, H. C. (1965). Physics and chemistry of the Earth. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), L. H. Ahrens, Frank Press, Stanley Keith Runcorn, and Harold Clayton Urey. Physics and Chemistry of the Earth. Oxford: Pergamon Press, 1965.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Physics and Chemistry of the Earth. Pergamon Press, 1965.