APA (7th ed.) Citation

United States. Federal Board for Vocational Education. (1918). Vocational education for foreign trade and shipping. GPO.

Chicago Style (17th ed.) Citation

United States. Federal Board for Vocational Education. Vocational Education for Foreign Trade and Shipping. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

United States. Federal Board for Vocational Education. Vocational Education for Foreign Trade and Shipping. GPO, 1918.