APA (7th ed.) Citation

Gervaise, I. (1954). The system or theory of the trade of the world. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Gervaise, Isaac. The System or Theory of the Trade of the World. Baltimore: Johns Hopkins Press, 1954.

MLA (9th ed.) Citation

Gervaise, Isaac. The System or Theory of the Trade of the World. Johns Hopkins Press, 1954.