APA (7th ed.) Citation

ScienceDirect (Online service), Mahy, B. W. J., & Van Regenmortel, M. H. V. (2008). Encyclopedia of virology (3rd ed.). Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), B. W. J. Mahy, and M. H. V. Van Regenmortel. Encyclopedia of Virology. 3rd ed. Amsterdam ; Boston: Academic Press, 2008.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Encyclopedia of Virology. 3rd ed. Academic Press, 2008.