APA (7th ed.) Citation

United States. Department of State. (1912). Food declarations for Porto Rico. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of State. Food Declarations for Porto Rico. Washington: [publisher not identified], 1912.

MLA (9th ed.) Citation

United States. Department of State. Food Declarations for Porto Rico. [publisher not identified], 1912.

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