APA (7th ed.) Citation

United States. Department of Agriculture. (1930). Horticultural exhibitions. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Horticultural Exhibitions. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

United States. Department of Agriculture. Horticultural Exhibitions. GPO, 1930.

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