The land shells of the genus Obba from Mindoro province, Philippine islands

Chicago citation style
Bartsch, Paul, 1871-1960. The land shells of the genus Obba from Mindoro province, Philippine islands. 1933. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431875. (Accessed September 19, 2018.)
APA citation style
Bartsch, Paul, 1871-1960, (1933) The land shells of the genus Obba from Mindoro province, Philippine islands. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431875
MLA citation style
Bartsch, Paul, 1871-1960. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011431875>.
Note: These citations are programmatically generated and may be incomplete.