APA (7th ed.) Citation

Ward, G., Hastie, T., Barry, S., Elith, J., & Leathwick, J. R. (2009). Presence-Only Data and the EM Algorithm. Biometrics, 65(2), 554-563. https://doi.org/10.1111/j.1541-0420.2008.01116.x

Chicago Style (17th ed.) Citation

Ward, Gill, Trevor Hastie, Simon Barry, Jane Elith, and John R. Leathwick. "Presence-Only Data and the EM Algorithm." Biometrics 65, no. 2 (2009): 554-563. https://doi.org/10.1111/j.1541-0420.2008.01116.x.

MLA (9th ed.) Citation

Ward, Gill, et al. "Presence-Only Data and the EM Algorithm." Biometrics, vol. 65, no. 2, 2009, pp. 554-563, https://doi.org/10.1111/j.1541-0420.2008.01116.x.