APA (7th ed.) Citation

Heck, H. J. (1953). Foreign commerce. McGraw-Hill.

Chicago Style (17th ed.) Citation

Heck, Harold Joseph. Foreign Commerce. New York: McGraw-Hill, 1953.

MLA (9th ed.) Citation

Heck, Harold Joseph. Foreign Commerce. McGraw-Hill, 1953.

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