Halacy, D. S. (1977). Earth, water, wind, and sun, our energy alternatives: D. S. Halacy, Jr. New York: Harper & Row.
Chicago Style CitationHalacy, D. S. Earth, Water, Wind, and Sun, Our Energy Alternatives: D. S. Halacy, Jr. New York: Harper & Row, 1977.
MLA CitationHalacy, D. S. Earth, Water, Wind, and Sun, Our Energy Alternatives: D. S. Halacy, Jr. New York: Harper & Row, 1977.
Warning: These citations may not always be 100% accurate.