APA (7th ed.) Citation

Krugman, P. R. (1993). Integration, specialization, and adjustment. NBER.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Integration, Specialization, and Adjustment. Cambridge, Mass: NBER, 1993.

MLA (9th ed.) Citation

Krugman, Paul R. Integration, Specialization, and Adjustment. NBER, 1993.

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