APA (7th ed.) Citation

Willard, H. H. (1958). Instrumental methods of analysis. Van Nostrand.

Chicago Style (17th ed.) Citation

Willard, Hobart Hurd. Instrumental Methods of Analysis. New York: Van Nostrand, 1958.

MLA (9th ed.) Citation

Willard, Hobart Hurd. Instrumental Methods of Analysis. Van Nostrand, 1958.