Poisonous plants of Pennsylvania

Chicago citation style
Gress, Ernest Milton, 1876-1968. Poisonous plants of Pennsylvania. Retrieved from the Digital Public Library of America, https://archive.org/details/poisonousplantso00gres. (Accessed December 15, 2018.)
APA citation style
Gress, Ernest Milton, 1876-1968, Poisonous plants of Pennsylvania. Retrieved from the Digital Public Library of America, https://archive.org/details/poisonousplantso00gres
MLA citation style
Gress, Ernest Milton, 1876-1968. Retrieved from the Digital Public Library of America <https://archive.org/details/poisonousplantso00gres>.
Note: These citations are programmatically generated and may be incomplete.