Sweeny observatory on top of Strawberry Hill in Golden Gate Park

Chicago citation style
Sweeny observatory on top of Strawberry Hill in Golden Gate Park. [n.d.]. Retrieved from the Digital Public Library of America, http://sflib1.sfpl.org:82/record=b1003516. (Accessed December 15, 2018.)
APA citation style
([n.d.]) Sweeny observatory on top of Strawberry Hill in Golden Gate Park. Retrieved from the Digital Public Library of America, http://sflib1.sfpl.org:82/record=b1003516
MLA citation style
Retrieved from the Digital Public Library of America <http://sflib1.sfpl.org:82/record=b1003516>.
Note: These citations are programmatically generated and may be incomplete.