Foraminifera, their classification and economic use. An illustrated key to the genera of the Foraminifera

Chicago citation style
Cushman, Joseph A. (Joseph Augustine), 1881-1949. Foraminifera, their classification and economic use. An illustrated key to the genera of the Foraminifera. 1933. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221827. (Accessed November 17, 2018.)
APA citation style
Cushman, Joseph A. (Joseph Augustine), 1881-1949, (1933) Foraminifera, their classification and economic use. An illustrated key to the genera of the Foraminifera. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221827
MLA citation style
Cushman, Joseph A. (Joseph Augustine), 1881-1949. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006221827>.
Note: These citations are programmatically generated and may be incomplete.