APA (7th ed.) Citation

Killough, H. B., & Killough, L. (1948). Economics of international trade. McGraw-Hill Book Co.

Chicago Style (17th ed.) Citation

Killough, Hugh Baxter, and Lucy Killough. Economics of International Trade. New York: McGraw-Hill Book Co, 1948.

MLA (9th ed.) Citation

Killough, Hugh Baxter, and Lucy Killough. Economics of International Trade. McGraw-Hill Book Co, 1948.