APA (7th ed.) Citation

ScienceDirect (Online service), Kadis, S., Ciegler, A., & Ajl, S. J. (1972). Microbial toxins. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Solomon Kadis, Alex Ciegler, and Samuel Jacob Ajl. Microbial Toxins. New York ; London: Academic Press, 1972.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Microbial Toxins. Academic Press, 1972.