APA (7th ed.) Citation

ScienceDirect (Online service), Beckage, N. E., Thompson, S. N., & Federici, B. A. (1993). Parasites and pathogens of insects. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), N. E. Beckage, S. N. Thompson, and Brian A. Federici. Parasites and Pathogens of Insects. San Diego: Academic Press, 1993.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Parasites and Pathogens of Insects. Academic Press, 1993.