APA (7th ed.) Citation

Ferguson, E., McHugh, M. P., & Norris, F. W. (1990). Encyclopedia of Early Christianity (2.). Routledge. https://doi.org/10.4324/9780203456187

Chicago Style (17th ed.) Citation

Ferguson, Everett, Michael P. McHugh, and Frederick W. Norris. Encyclopedia of Early Christianity. 2. New York: Routledge, 1990. https://doi.org/10.4324/9780203456187.

MLA (9th ed.) Citation

Ferguson, Everett, et al. Encyclopedia of Early Christianity. 2. Routledge, 1990. https://doi.org/10.4324/9780203456187.