Cita APA (7a ed.)

Hugo, S., Rensburg, B. J. V., Wyk, A. E. V., & Steenkamp, Y. (2012). Alien phytogeographic regions of southern Africa: Numerical classification, possible drivers, and regional threats. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Hugo, Sanet, Berndt J Van Rensburg, Abraham E Van Wyk, y Yolande Steenkamp. Alien Phytogeographic Regions of Southern Africa: Numerical Classification, Possible Drivers, and Regional Threats. Public Library of Science (PLoS), 2012.

Cita MLA (8a ed.)

Hugo, Sanet, et al. Alien Phytogeographic Regions of Southern Africa: Numerical Classification, Possible Drivers, and Regional Threats. Public Library of Science (PLoS), 2012.