APA (7th ed.) Citation

ScienceDirect (Online service), Ainsworth, G. C., & Sussman, A. S. (1968). The fungi: An advanced treatise. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), G. C. Ainsworth, and Alfred S. Sussman. The Fungi: An Advanced Treatise. New York: Academic Press, 1968.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. The Fungi: An Advanced Treatise. Academic Press, 1968.