APA (7th ed.) Citation

Willard, H. H., Merrit, L. L., & Dean, J. A. (1965). Instrumental methods of analysis (4th ed.). Van Nostrand.

Chicago Style (17th ed.) Citation

Willard, Hobart Hurd, Lynne L. Merrit, and John A. Dean. Instrumental Methods of Analysis. 4th ed. Princeton, NJ: Van Nostrand, 1965.

MLA (9th ed.) Citation

Willard, Hobart Hurd, et al. Instrumental Methods of Analysis. 4th ed. Van Nostrand, 1965.