Cita APA (7a ed.)

Shepherd, J. F., & Walton, G. M. (1972). Shipping, maritime trade, and the economic development of colonial North America. Cambridge University Press.

Cita Chicago Style (17a ed.)

Shepherd, James F., y Gary M. Walton. Shipping, Maritime Trade, and the Economic Development of Colonial North America. Cambridge, England: Cambridge University Press, 1972.

Cita MLA (8a ed.)

Shepherd, James F., y Gary M. Walton. Shipping, Maritime Trade, and the Economic Development of Colonial North America. Cambridge University Press, 1972.

Precaución: Estas citas no son 100% exactas.