APA (7th ed.) Citation

CRAIG, VAUGHAN, & SKINNER. (1988). Resources of the earth. Prentice-Hall.

Chicago Style (17th ed.) Citation

CRAIG, VAUGHAN, and SKINNER. Resources of the Earth. New Jersey: Prentice-Hall, 1988.

MLA (8th ed.) Citation

CRAIG, et al. Resources of the Earth. Prentice-Hall, 1988.