APA (7th ed.) Citation

Emerson, R. W. (2009). Nature. Project Gutenberg.

Chicago Style (17th ed.) Citation

Emerson, Ralph Waldo. Nature. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Emerson, Ralph Waldo. Nature. Project Gutenberg, 2009.

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