APA (7th ed.) Citation

Irving, W. (2005). The Crayon Papers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Irving, Washington. The Crayon Papers. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Irving, Washington. The Crayon Papers. Project Gutenberg, 2005.

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