APA (7th ed.) Citation

Twain, M. (2004). Sketches New and Old, Part 6. Project Gutenberg.

Chicago Style (17th ed.) Citation

Twain, Mark. Sketches New and Old, Part 6. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Twain, Mark. Sketches New and Old, Part 6. Project Gutenberg, 2004.

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