APA (7th ed.) Citation

United States. Federal Horticultural Board. (1922). Letters of information of Federal Horticultural Board. GPO.

Chicago Style (17th ed.) Citation

United States. Federal Horticultural Board. Letters of Information of Federal Horticultural Board. [Washington]: GPO, 1922.

MLA (9th ed.) Citation

United States. Federal Horticultural Board. Letters of Information of Federal Horticultural Board. GPO, 1922.

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