The Philippine land mollusks of the genus Opisthoporus

Chicago citation style
Bartsch, Paul, 1871-1960. The Philippine land mollusks of the genus Opisthoporus. 1932. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431873. (Accessed December 13, 2018.)
APA citation style
Bartsch, Paul, 1871-1960, (1932) The Philippine land mollusks of the genus Opisthoporus. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431873
MLA citation style
Bartsch, Paul, 1871-1960. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011431873>.
Note: These citations are programmatically generated and may be incomplete.