APA (7th ed.) Citation

De Quincey, T., & Hayter, A. (1971). Confessions of an English opium eater. Penguin Books.

Chicago Style (17th ed.) Citation

De Quincey, Thomas, and Alethea Hayter. Confessions of an English Opium Eater. Harmondsworth [Eng.]: Penguin Books, 1971.

MLA (8th ed.) Citation

De Quincey, Thomas, and Alethea Hayter. Confessions of an English Opium Eater. Penguin Books, 1971.