APA (7th ed.) Citation

(1914). Walnut aphides in California. [publisher not identified].

Chicago Style (17th ed.) Citation

Walnut Aphides in California. [Washington]: [publisher not identified], 1914.

MLA (9th ed.) Citation

Walnut Aphides in California. [publisher not identified], 1914.

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