APA (7th ed.) Citation

Goodrich, C. L. (2005). The First Book of Farming. Project Gutenberg.

Chicago Style (17th ed.) Citation

Goodrich, C. L. The First Book of Farming. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Goodrich, C. L. The First Book of Farming. Project Gutenberg, 2005.

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