Canal Zone. (1928). Descriptions and elevations of precise level, Panama Railroad, and other bench-marks between Colon and Panama City, Isthmus of Panama. Panama Canal Press.
Chicago Style (17th ed.) CitationCanal Zone. Descriptions and Elevations of Precise Level, Panama Railroad, and Other Bench-marks Between Colon and Panama City, Isthmus of Panama. [United States]: Panama Canal Press, 1928.
MLA (9th ed.) CitationCanal Zone. Descriptions and Elevations of Precise Level, Panama Railroad, and Other Bench-marks Between Colon and Panama City, Isthmus of Panama. Panama Canal Press, 1928.
Warning: These citations may not always be 100% accurate.