APA (7th ed.) Citation

Cooper, J. C. (2006). Walnut Growing in Oregon. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cooper, Jacob Calvin. Walnut Growing in Oregon. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Cooper, Jacob Calvin. Walnut Growing in Oregon. Project Gutenberg, 2006.

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