APA (7th ed.) Citation

Halacy, D. S. (1977). Earth, water, wind and sun : our energy alternatives / (by) D.S. Halacy, Jr: Our energy alternatives. Harper and Row.

Chicago Style (17th ed.) Citation

Halacy, Daniel Stephen. Earth, Water, Wind and Sun : Our Energy Alternatives / (by) D.S. Halacy, Jr: Our Energy Alternatives. New York (etc.) ; London: Harper and Row, 1977.

MLA (9th ed.) Citation

Halacy, Daniel Stephen. Earth, Water, Wind and Sun : Our Energy Alternatives / (by) D.S. Halacy, Jr: Our Energy Alternatives. Harper and Row, 1977.

Warning: These citations may not always be 100% accurate.