APA (7th ed.) Citation

Grubel, H. G. (1981). International economics (Rev. ed.). R.D. Irwin.

Chicago Style (17th ed.) Citation

Grubel, Herbert G. International Economics. Rev. ed. Homewood, Ill.: R.D. Irwin, 1981.

MLA (8th ed.) Citation

Grubel, Herbert G. International Economics. Rev. ed. R.D. Irwin, 1981.