APA (7th ed.) Citation

Root, E. (1913). Panama Canal tolls: The obligations of the United States. World Peace Foundation.

Chicago Style (17th ed.) Citation

Root, Elihu. Panama Canal Tolls: The Obligations of the United States. Boston: World Peace Foundation, 1913.

MLA (9th ed.) Citation

Root, Elihu. Panama Canal Tolls: The Obligations of the United States. World Peace Foundation, 1913.

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