APA (7th ed.) Citation

BA, D., SL, M., E, N., AF, S., & Jr, K. H. (1991). Isolation of an active human transposable element. Science (New York, N.Y.), 254(5039), 1805. https://doi.org/10.1126/science.1662412

Chicago Style (17th ed.) Citation

BA, Dombroski, Mathias SL, Nanthakumar E, Scott AF, and Kazazian HH Jr. "Isolation of an Active Human Transposable Element." Science (New York, N.Y.) 254, no. 5039 (1991): 1805. https://doi.org/10.1126/science.1662412.

MLA (9th ed.) Citation

BA, Dombroski, et al. "Isolation of an Active Human Transposable Element." Science (New York, N.Y.), vol. 254, no. 5039, 1991, p. 1805, https://doi.org/10.1126/science.1662412.