APA (7th ed.) Citation

(1921). Walnut husk-maggot. GPO.

Chicago Style (17th ed.) Citation

Walnut Husk-maggot. [Washington]: GPO, 1921.

MLA (9th ed.) Citation

Walnut Husk-maggot. GPO, 1921.

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