APA (7th ed.) Citation

Huxley, T. H. (2006). Hume (English Men of Letters Series). Project Gutenberg.

Chicago Style (17th ed.) Citation

Huxley, Thomas Henry. Hume (English Men of Letters Series). Project Gutenberg, 2006.

MLA (9th ed.) Citation

Huxley, Thomas Henry. Hume (English Men of Letters Series). Project Gutenberg, 2006.

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