APA (7th ed.) Citation

Greeley, H. (2011). What I know of farming: A series of brief and plain expositions of practical agriculture as an art based upon science. Project Gutenberg.

Chicago Style (17th ed.) Citation

Greeley, Horace. What I Know of Farming: A Series of Brief and Plain Expositions of Practical Agriculture as an Art Based upon Science. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Greeley, Horace. What I Know of Farming: A Series of Brief and Plain Expositions of Practical Agriculture as an Art Based upon Science. Project Gutenberg, 2011.

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