APA (7th ed.) Citation

SCHENK, G. H., HAHN, R. B., & HARTKOPF, A. (1981). Introduction to analytical chemistry.-- ed.2. Allyn and bacon.

Chicago Style (17th ed.) Citation

SCHENK, George H., Richard B. HAHN, and Arleigh HARTKOPF. Introduction to Analytical Chemistry.-- Ed.2. Boston: Allyn and bacon, 1981.

MLA (9th ed.) Citation

SCHENK, George H., et al. Introduction to Analytical Chemistry.-- Ed.2. Allyn and bacon, 1981.