APA (7th ed.) Citation

Thatcher, R. W. (2010). The Chemistry of Plant Life. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thatcher, Roscoe Wilfred. The Chemistry of Plant Life. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Thatcher, Roscoe Wilfred. The Chemistry of Plant Life. Project Gutenberg, 2010.

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