APA (7th ed.) Citation

ScienceDirect (Online service), Ahrens, L. H., Bath, M., Dearnley, R., & Haskin, L. A. (1966). Physics and chemistry of the earth. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), L. H. Ahrens, M. Bath, R. Dearnley, and Larry A. Haskin. Physics and Chemistry of the Earth. Oxford: Pergamon Press, 1966.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Physics and Chemistry of the Earth. Pergamon Press, 1966.