APA (7th ed.) Citation

Heckscher, E. F. (1964). The Continental System : an economic interpretation / by E.F. Heckscher: An economic interpretation. Smith.

Chicago Style (17th ed.) Citation

Heckscher, E. F. The Continental System : An Economic Interpretation / by E.F. Heckscher: An Economic Interpretation. Smith, 1964.

MLA (9th ed.) Citation

Heckscher, E. F. The Continental System : An Economic Interpretation / by E.F. Heckscher: An Economic Interpretation. Smith, 1964.

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