Leonard, J. N. (1972). Crusaders of chemistry: Six makers of the modern world. Books for Libraries Press.
Chicago Style (17th ed.) CitationLeonard, Jonathan Norton. Crusaders of Chemistry: Six Makers of the Modern World. Freeport, N.Y: Books for Libraries Press, 1972.
MLA (9th ed.) CitationLeonard, Jonathan Norton. Crusaders of Chemistry: Six Makers of the Modern World. Books for Libraries Press, 1972.
Warning: These citations may not always be 100% accurate.