APA (7th ed.) Citation

Krugman, P. R. (1989). Exchange-rate instability. The MIT Pr.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Exchange-rate Instability. Cambridge, Mass. [u.a.]: The MIT Pr, 1989.

MLA (9th ed.) Citation

Krugman, Paul R. Exchange-rate Instability. The MIT Pr, 1989.

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