Protected birds in Pennsylvania / Commonwealth of Pennsylvania, Pennsylvania Game Commission.

Chicago citation style
Pennsylvania Game Commission, corporate author. Protected birds in Pennsylvania / Commonwealth of Pennsylvania, Pennsylvania Game Commission.. Retrieved from the Digital Public Library of America, https://archive.org/details/protectedbirdsin00penn. (Accessed December 12, 2018.)
APA citation style
Pennsylvania Game Commission, corporate author, Protected birds in Pennsylvania / Commonwealth of Pennsylvania, Pennsylvania Game Commission.. Retrieved from the Digital Public Library of America, https://archive.org/details/protectedbirdsin00penn
MLA citation style
Pennsylvania Game Commission, corporate author. Retrieved from the Digital Public Library of America <https://archive.org/details/protectedbirdsin00penn>.
Note: These citations are programmatically generated and may be incomplete.