APA (7th ed.) Citation

De Quincey, T. (2004). Note Book of an English Opium-Eater. Project Gutenberg.

Chicago Style (17th ed.) Citation

De Quincey, Thomas. Note Book of an English Opium-Eater. Project Gutenberg, 2004.

MLA (9th ed.) Citation

De Quincey, Thomas. Note Book of an English Opium-Eater. Project Gutenberg, 2004.

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