APA (7th ed.) Citation

Brereton, W. H. The truth about opium. W.H allen and co.

Chicago Style (17th ed.) Citation

Brereton, William H. The Truth About Opium. W.H allen and co.

MLA (8th ed.) Citation

Brereton, William H. The Truth About Opium. W.H allen and co.

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