APA (7th ed.) Citation

X, Q., CA, J., JS, C., SB, R., C, D., WW, S., & SS, A. (1997). Crystal structure of varicella-zoster virus protease. Proceedings of the National Academy of Sciences of the United States of America, 94(7), 2874. https://doi.org/10.1073/pnas.94.7.2874

Chicago Style (17th ed.) Citation

X, Qiu, Janson CA, Culp JS, Richardson SB, Debouck C, Smith WW, and Abdel-Meguid SS. "Crystal Structure of Varicella-zoster Virus Protease." Proceedings of the National Academy of Sciences of the United States of America 94, no. 7 (1997): 2874. https://doi.org/10.1073/pnas.94.7.2874.

MLA (9th ed.) Citation

X, Qiu, et al. "Crystal Structure of Varicella-zoster Virus Protease." Proceedings of the National Academy of Sciences of the United States of America, vol. 94, no. 7, 1997, p. 2874, https://doi.org/10.1073/pnas.94.7.2874.