APA (7th ed.) Citation

Lear, E. (1990). A book of nonsense. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lear, Edward. A Book of Nonsense. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Lear, Edward. A Book of Nonsense. Project Gutenberg, 1990.

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