Cirsium arvense

Chicago citation style
Roger del Moral. Cirsium arvense. 1983.00. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/57. (Accessed April 26, 2018.)
APA citation style
Roger del Moral, (1983.00) Cirsium arvense. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/57
MLA citation style
Roger del Moral. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/57>.
Note: These citations are programmatically generated and may be incomplete.