Some birds of the countryside; the art of nature

Chicago citation style
Massingham, H. J. (Harold John), 1888-1952. Some birds of the countryside; the art of nature. [1921]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924413. (Accessed December 15, 2018.)
APA citation style
Massingham, H. J. (Harold John), 1888-1952, ([1921]) Some birds of the countryside; the art of nature. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007924413
MLA citation style
Massingham, H. J. (Harold John), 1888-1952. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007924413>.
Note: These citations are programmatically generated and may be incomplete.