APA (7th ed.) Citation

(1918). Canada thistle and methods of eradication. GPO.

Chicago Style (17th ed.) Citation

Canada Thistle and Methods of Eradication. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

Canada Thistle and Methods of Eradication. GPO, 1918.

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