APA (7th ed.) Citation

Block, R. J., Le Strange, R., & Zweig, G. (1952). Paper chromatography, a laboratory manual. Academic Press.

Chicago Style (17th ed.) Citation

Block, Richard Joseph, Raymond Le Strange, and Gunter Zweig. Paper Chromatography, a Laboratory Manual. New York: Academic Press, 1952.

MLA (9th ed.) Citation

Block, Richard Joseph, et al. Paper Chromatography, a Laboratory Manual. Academic Press, 1952.