APA (7th ed.) Citation

(1930). Blackleg: Its nature, cause, and prevention. GPO.

Chicago Style (17th ed.) Citation

Blackleg: Its Nature, Cause, and Prevention. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

Blackleg: Its Nature, Cause, and Prevention. GPO, 1930.

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