Map of the Gold Regions of California, Showing the Routes via Chagres and Panama, Cape Horn, &c

Chicago citation style
Ensigns & Thayer. Map of the Gold Regions of California, Showing the Routes via Chagres and Panama, Cape Horn, &c. 1849. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~200~10174. (Accessed June 25, 2018.)
APA citation style
Ensigns & Thayer, (1849) Map of the Gold Regions of California, Showing the Routes via Chagres and Panama, Cape Horn, &c. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~200~10174
MLA citation style
Ensigns & Thayer. Retrieved from the Digital Public Library of America <https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~200~10174>.
Note: These citations are programmatically generated and may be incomplete.