APA (7th ed.) Citation

Clark, S. P. J. (1971). Structure of the earth. Prentice-Hall,Inc.

Chicago Style (17th ed.) Citation

Clark, Sydney P. Jr. Structure of the Earth. New Jersey: Prentice-Hall,Inc, 1971.

MLA (9th ed.) Citation

Clark, Sydney P. Jr. Structure of the Earth. Prentice-Hall,Inc, 1971.