Cita APA (7a ed.)

Stelle, C. C. (1981). American and China opium trade in the nineteenth century. Arno Pr.

Cita Chicago Style (17a ed.)

Stelle, Charles C. American and China Opium Trade in the Nineteenth Century. New York: Arno Pr, 1981.

Cita MLA (9a ed.)

Stelle, Charles C. American and China Opium Trade in the Nineteenth Century. Arno Pr, 1981.