APA (7th ed.) Citation

HORN, P. V., & GOMEZ, H. (1959). International trade: Principles and practices.-- Ed.4. Prentice-Hall.

Chicago Style (17th ed.) Citation

HORN, Paul V., and Henry GOMEZ. International Trade: Principles and Practices.-- Ed.4. Engelwood Cliffs: Prentice-Hall, 1959.

MLA (9th ed.) Citation

HORN, Paul V., and Henry GOMEZ. International Trade: Principles and Practices.-- Ed.4. Prentice-Hall, 1959.