APA (7th ed.) Citation

Merck, E., & Schenck, H. (1914). Chemical reagents, their purity and tests (2d ed.). Van Nostrand.

Chicago Style (17th ed.) Citation

Merck, E., and Henry Schenck. Chemical Reagents, Their Purity and Tests. 2d ed. New York: Van Nostrand, 1914.

MLA (9th ed.) Citation

Merck, E., and Henry Schenck. Chemical Reagents, Their Purity and Tests. 2d ed. Van Nostrand, 1914.