The improvement of plants through bud selection

Chicago citation style
Shamel, Archibald Dixon, 1878- [from old catalog]. The improvement of plants through bud selection. [1921]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009602435. (Accessed October 19, 2018.)
APA citation style
Shamel, Archibald Dixon, 1878- [from old catalog], ([1921]) The improvement of plants through bud selection. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009602435
MLA citation style
Shamel, Archibald Dixon, 1878- [from old catalog]. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/009602435>.
Note: These citations are programmatically generated and may be incomplete.