APA (7th ed.) Citation

Grubel, H. G. (1977). International economics. R. D. Irwin.

Chicago Style (17th ed.) Citation

Grubel, Herbert G. International Economics. Homewood, Ill: R. D. Irwin, 1977.

MLA (9th ed.) Citation

Grubel, Herbert G. International Economics. R. D. Irwin, 1977.