APA (7th ed.) Citation

Merwin, S. (2010). Drugging a Nation: The Story of China and the Opium Curse. Project Gutenberg.

Chicago Style (17th ed.) Citation

Merwin, Samuel. Drugging a Nation: The Story of China and the Opium Curse. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Merwin, Samuel. Drugging a Nation: The Story of China and the Opium Curse. Project Gutenberg, 2010.

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