APA (7th ed.) Citation

Gavit, J. P. (1925). "Opium". Routledge and sons, ltd.

Chicago Style (17th ed.) Citation

Gavit, John Palmer. "Opium". London: Routledge and sons, ltd, 1925.

MLA (9th ed.) Citation

Gavit, John Palmer. "Opium". Routledge and sons, ltd, 1925.

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