APA (7th ed.) Citation

Elwell, W. T., & Gidley, J. A. F. (1961). Atomic-absorption spectrophotometry. Macmillan.

Chicago Style (17th ed.) Citation

Elwell, W. T., and J. A. F. Gidley. Atomic-absorption Spectrophotometry. New York: Macmillan, 1961.

MLA (9th ed.) Citation

Elwell, W. T., and J. A. F. Gidley. Atomic-absorption Spectrophotometry. Macmillan, 1961.