On the Origin of Darwin's Finches

Chicago citation style
Grant, Peter R, Kelin, Jan, Tichy, Herbert, O'Huigin, Colm, Sato, Akie, Grant, B. Rosemary. On the Origin of Darwin's Finches. 2001. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_50745&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
Grant, Peter R, Kelin, Jan, Tichy, Herbert, O'Huigin, Colm, Sato, Akie, Grant, B. Rosemary, (2001) On the Origin of Darwin's Finches. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_50745&repo=DPLA
MLA citation style
Grant, Peter R, Kelin, Jan, Tichy, Herbert, O'Huigin, Colm, Sato, Akie, Grant, B. Rosemary. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_50745&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.