APA (7th ed.) Citation

(1930). Arbor day; its purpose and observance. GPO.

Chicago Style (17th ed.) Citation

Arbor Day; Its Purpose and Observance. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

Arbor Day; Its Purpose and Observance. GPO, 1930.

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