Colding, L. A., & Dahl, P. F. (1972). Ludvig Colding and the conservation of energy principle: Experimental and philosophical contributions. Johnson Reprint Corp..
Chicago Style (17th ed.) CitationColding, Ludvig August, and Per F. Dahl. Ludvig Colding and the Conservation of Energy Principle: Experimental and Philosophical Contributions. New York: Johnson Reprint Corp., 1972.
MLA (9th ed.) CitationColding, Ludvig August, and Per F. Dahl. Ludvig Colding and the Conservation of Energy Principle: Experimental and Philosophical Contributions. Johnson Reprint Corp., 1972.
Warning: These citations may not always be 100% accurate.