APA (7th ed.) Citation

United States. Bureau of Customs & ProQuest (Firm). (1949). United States Treasury Department Bureau of Customs. Merchant vessels of the United States 1949. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Customs and ProQuest (Firm). United States Treasury Department Bureau of Customs. Merchant Vessels of the United States 1949. Washington: [publisher not identified], 1949.

MLA (9th ed.) Citation

United States. Bureau of Customs and ProQuest (Firm). United States Treasury Department Bureau of Customs. Merchant Vessels of the United States 1949. [publisher not identified], 1949.

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