APA (7th ed.) Citation

Harrod, R. F. (1957). International economics (4a. ed.). James Nisbet.

Chicago Style (17th ed.) Citation

Harrod, Roy F. International Economics. 4a. ed. Londres: James Nisbet, 1957.

MLA (9th ed.) Citation

Harrod, Roy F. International Economics. 4a. ed. James Nisbet, 1957.