Johnson, W. H., & Steere, W. C. (1974). The environmental challenge. Holt, Rinehart and Winston.
Chicago Style (17th ed.) CitationJohnson, Willis Hugh, and William Campbell Steere. The Environmental Challenge. New York: Holt, Rinehart and Winston, 1974.
MLA (8th ed.) CitationJohnson, Willis Hugh, and William Campbell Steere. The Environmental Challenge. Holt, Rinehart and Winston, 1974.
Warning: These citations may not always be 100% accurate.