Sigel, H., & Sigel, A. (1984). Calcium and its role in biology. M. Dekker.
Chicago Style (17th ed.) CitationSigel, Helmut, and Astrid Sigel. Calcium and Its Role in Biology. New York: M. Dekker, 1984.
MLA (9th ed.) CitationSigel, Helmut, and Astrid Sigel. Calcium and Its Role in Biology. M. Dekker, 1984.
Warning: These citations may not always be 100% accurate.