San Juan, Castillo de San Felipe del Morro (promontory) and lighthouse (built in 1908 by US Navy)

Chicago citation style
Mayer, Harold. San Juan, Castillo de San Felipe del Morro (promontory) and lighthouse (built in 1908 by US Navy). 1972/07. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/catw/id/4778. (Accessed April 19, 2024.)
APA citation style
Mayer, Harold, (1972/07) San Juan, Castillo de San Felipe del Morro (promontory) and lighthouse (built in 1908 by US Navy). Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/catw/id/4778
MLA citation style
Mayer, Harold. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/catw/id/4778>.
Note: These citations are programmatically generated and may be incomplete.