United States. Federal Board for Vocational Education. (1931). Announcement of 7th annual American Vocational Dairy and Poultry Convention, National Dairy Exposition Grounds, St. Louis, Mo., Oct. 10-12, 1931. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Announcement of 7th Annual American Vocational Dairy and Poultry Convention, National Dairy Exposition Grounds, St. Louis, Mo., Oct. 10-12, 1931. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Announcement of 7th Annual American Vocational Dairy and Poultry Convention, National Dairy Exposition Grounds, St. Louis, Mo., Oct. 10-12, 1931. GPO, 1931.
Warning: These citations may not always be 100% accurate.