Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University

Chicago citation style
Beecher, Charles Emerson, 1856-1904. Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University. 1901. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221812. (Accessed November 21, 2018.)
APA citation style
Beecher, Charles Emerson, 1856-1904, (1901) Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006221812
MLA citation style
Beecher, Charles Emerson, 1856-1904. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006221812>.
Note: These citations are programmatically generated and may be incomplete.