APA (7th ed.) Citation

Heller, H. R. . [. .. (1973). International trade: Theory and empirical evidence. Prentice-Hall.

Chicago Style (17th ed.) Citation

Heller, H. Robert []. International Trade: Theory and Empirical Evidence. New Jersey: Prentice-Hall, 1973.

MLA (9th ed.) Citation

Heller, H. Robert []. International Trade: Theory and Empirical Evidence. Prentice-Hall, 1973.