APA (7th ed.) Citation

Roberts, M. (2008). A Tramp's Notebook. Project Gutenberg.

Chicago Style (17th ed.) Citation

Roberts, Morley. A Tramp's Notebook. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Roberts, Morley. A Tramp's Notebook. Project Gutenberg, 2008.

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