APA (7th ed.) Citation

Canal Zone. (1940). Panama Canal record, Vol. 34, No. 4. [s.n.].

Chicago Style (17th ed.) Citation

Canal Zone. Panama Canal Record, Vol. 34, No. 4. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

Canal Zone. Panama Canal Record, Vol. 34, No. 4. [s.n.], 1940.