Cañon de Azufre

Chicago citation style
Gulick, Howard E. Cañon de Azufre. 1961-04-23. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb12640148. (Accessed December 19, 2018.)
APA citation style
Gulick, Howard E, (1961-04-23) Cañon de Azufre. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb12640148
MLA citation style
Gulick, Howard E. Retrieved from the Digital Public Library of America <https://library.ucsd.edu/dc/object/bb12640148>.
Note: These citations are programmatically generated and may be incomplete.