Rafferty, S., Smallman-Raynor, M., & Cliff, A. D. (2018). Variola minor in England and Wales: The geographical course of a smallpox epidemic and the impediments to effective disease control, 1920–1935. Elsevier.
Chicago Style (17th ed.) CitationRafferty, Sarah, Matthew Smallman-Raynor, and Andrew D. Cliff. Variola Minor in England and Wales: The Geographical Course of a Smallpox Epidemic and the Impediments to Effective Disease Control, 1920–1935. Elsevier, 2018.
MLA (9th ed.) CitationRafferty, Sarah, et al. Variola Minor in England and Wales: The Geographical Course of a Smallpox Epidemic and the Impediments to Effective Disease Control, 1920–1935. Elsevier, 2018.
Warning: These citations may not always be 100% accurate.