APA (7th ed.) Citation

Sigel, H., & Sigel, A. (1981). Properties of copper. Marcel Dekker, Inc.

Chicago Style (17th ed.) Citation

Sigel, Helmut, and Astrid Sigel. Properties of Copper. New York: Marcel Dekker, Inc, 1981.

MLA (8th ed.) Citation

Sigel, Helmut, and Astrid Sigel. Properties of Copper. Marcel Dekker, Inc, 1981.

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