APA (7th ed.) Citation

United States. School Garden Army. (1919). Lessons in gardening for Central States region. GPO.

Chicago Style (17th ed.) Citation

United States. School Garden Army. Lessons in Gardening for Central States Region. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. School Garden Army. Lessons in Gardening for Central States Region. GPO, 1919.

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