Butchart, S. H., Resit Akçakaya, H., Chanson, J., Baillie, J. E., Collen, B., Quader, S., . . . Hilton-Taylor, C. (2007). Improvements to the Red List Index. Public Library of Science.
Chicago Style CitationButchart, Stuart H.M., et al. Improvements to the Red List Index. Public Library of Science, 2007.
Cita MLAButchart, Stuart H.M., et al. Improvements to the Red List Index. Public Library of Science, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.