APA (7th ed.) Citation

Heller, H. R. (1968). International trade: Theory and empirical evidence. Prentice Hall.

Chicago Style (17th ed.) Citation

Heller, H. Robert. International Trade: Theory and Empirical Evidence. Englewood Cliffs: Prentice Hall, 1968.

MLA (9th ed.) Citation

Heller, H. Robert. International Trade: Theory and Empirical Evidence. Prentice Hall, 1968.

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