Below is the citation from the bottom of an IUCN page about Cercopithecus diana:
Oates, J.F., Gippoliti, S. & Groves, C.P. 2008. Cercopithecus diana. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 02 December 2014.
Below is the format of a web citation for the Chicago Manual of Style taken from the Purdue Online Writing Lab:
Lastname, Firstname. “Title of Web Page.” Publishing Organization or Name of Website in Italics. Publication date and/or access date if available. URL.
Below is a correctly formatted bibliographic reference for the above IUCN page about Cercopithecus diana:
Oates, J. F., Gippoliti, S., & Groves, C. P. “Cercopithecus diana.” The IUCN Red List of Threatened Species Version 2014.3. 2008. Accessed on December 2, 2014. http://www.iucnredlist.org/details/4215/0.
Below is the citation from the bottom of the PIN page about Erythrocebus patas:
Gron KJ. 2006 December 18. Primate Factsheets: Patas monkey (Erythrocebus patas) Taxonomy, Morphology, & Ecology . <http://pin.primate.wisc.edu/factsheets/entry/patas_monkey>. Accessed 2014 December 2.
Below is the format of a web citation for the Chicago Manual of Style taken from the Purdue Online Writing Lab:
Lastname, Firstname. “Title of Web Page.” Publishing Organization or Name of Website in Italics. Publication date and/or access date if available. URL.
Below is a correctly formatted bibliographic reference for the above PIN page about Erythrocebus patas:
Gron, K. J. “Patas Monkey Erythrocebus patas.” Primate Info Net. 2006. Accessed on December 2, 2014. http://pin.primate.wisc.edu/factsheets/entry/patas_monkey.