Nochistongo Cut, a great canal commenced in 1607 for draining the valley of Mexico. Tula, Mexico. Mexico

Chicago citation style
Not Known. Nochistongo Cut, a great canal commenced in 1607 for draining the valley of Mexico. Tula, Mexico. Mexico. [Date not indicated]. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49p4sj. (Accessed December 10, 2018.)
APA citation style
Not Known, ([Date not indicated]) Nochistongo Cut, a great canal commenced in 1607 for draining the valley of Mexico. Tula, Mexico. Mexico. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49p4sj
MLA citation style
Not Known. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49p4sj>.
Note: These citations are programmatically generated and may be incomplete.