APA (7th ed.) Citation

Canal Zone. (1915). Official handbook of Panama Canal. U.S. GPO.

Chicago Style (17th ed.) Citation

Canal Zone. Official Handbook of Panama Canal. Washington: U.S. GPO, 1915.

MLA (9th ed.) Citation

Canal Zone. Official Handbook of Panama Canal. U.S. GPO, 1915.

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