CRAIG, VAUGHAN, & SKINNER. (1988). Resources of the earth. Prentice-Hall.
Chicago Style (17th ed.) CitationCRAIG, VAUGHAN, and SKINNER. Resources of the Earth. New Jersey: Prentice-Hall, 1988.
MLA (8th ed.) CitationCRAIG, et al. Resources of the Earth. Prentice-Hall, 1988.
Warning: These citations may not always be 100% accurate.