Ramsey, W. L., Phillips, C. R., & Watenpaugh, F. M. (1983). Modern Earth Science. Holt, Rinehart, and Winston.
Chicago Style (17th ed.) CitationRamsey, William L., Clifford R. Phillips, and Frank M. Watenpaugh. Modern Earth Science. New york: Holt, Rinehart, and Winston, 1983.
MLA (9th ed.) CitationRamsey, William L., et al. Modern Earth Science. Holt, Rinehart, and Winston, 1983.
Warning: These citations may not always be 100% accurate.