APA (7th ed.) Citation

(1918). Cruz Grande and Tofo iron mines of Chile. GPO.

Chicago Style (17th ed.) Citation

Cruz Grande and Tofo Iron Mines of Chile. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

Cruz Grande and Tofo Iron Mines of Chile. GPO, 1918.

Warning: These citations may not always be 100% accurate.