APA (7th ed.) Citation

Krugman, P. R. (1993). Trade, jobs, and wages. NBER.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Trade, Jobs, and Wages. Cambridge, Mass: NBER, 1993.

MLA (9th ed.) Citation

Krugman, Paul R. Trade, Jobs, and Wages. NBER, 1993.

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