Viola palmata

Chicago citation style
Viola palmata. Unknown. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/mdfls/id/927. (Accessed December 14, 2018.)
APA citation style
(Unknown) Viola palmata. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/mdfls/id/927
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/mdfls/id/927>.
Note: These citations are programmatically generated and may be incomplete.