APA (7th ed.) Citation

Heller, H. R. (1973). International trade; theory and empirical evidence / H. Robert Heller (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Heller, Heinz Robert. International Trade; Theory and Empirical Evidence / H. Robert Heller. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1973.

MLA (9th ed.) Citation

Heller, Heinz Robert. International Trade; Theory and Empirical Evidence / H. Robert Heller. 2nd ed. Prentice-Hall, 1973.

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