APA (7th ed.) Citation

Knapp, S. (2005). Up the Chimney. Project Gutenberg.

Chicago Style (17th ed.) Citation

Knapp, Shepherd. Up the Chimney. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Knapp, Shepherd. Up the Chimney. Project Gutenberg, 2005.

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