APA (7th ed.) Citation

Heckscher, E. F., Westergaard, H., & Fearenside, C. S. (1922). The continental system: An economic interpretation. Clarendon Press; H. Milford.

Chicago Style (17th ed.) Citation

Heckscher, Eli F., Harald Westergaard, and Charles Scott Fearenside. The Continental System: An Economic Interpretation. Oxford : London, New York: Clarendon Press; H. Milford, 1922.

MLA (9th ed.) Citation

Heckscher, Eli F., et al. The Continental System: An Economic Interpretation. Clarendon Press; H. Milford, 1922.