APA (7th ed.) Citation

Macdonald, W. (2012). Makers of Modern Agriculture. Project Gutenberg.

Chicago Style (17th ed.) Citation

Macdonald, William. Makers of Modern Agriculture. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Macdonald, William. Makers of Modern Agriculture. Project Gutenberg, 2012.

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