Normal and abnormal germination of grass-fruits /

Chicago citation style
Zinn, Jacob, 1886-1921. Normal and abnormal germination of grass-fruits /. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596061. (Accessed November 19, 2018.)
APA citation style
Zinn, Jacob, 1886-1921, (1920) Normal and abnormal germination of grass-fruits /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100596061
MLA citation style
Zinn, Jacob, 1886-1921. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100596061>.
Note: These citations are programmatically generated and may be incomplete.