APA (7th ed.) Citation

United States. Bureau of Customs. (1939). Customs hints for tourists entering the United States from Canada or Mexico. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Customs. Customs Hints for Tourists Entering the United States from Canada or Mexico. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Customs. Customs Hints for Tourists Entering the United States from Canada or Mexico. [s.n.], 1939.

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