APA (7th ed.) Citation

Krugman, P. R. (1989). Exchange-rate instability / Paul R. Krugman. MIT Press.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Exchange-rate Instability / Paul R. Krugman. Cambridge, Mass. ; London: MIT Press, 1989.

MLA (9th ed.) Citation

Krugman, Paul R. Exchange-rate Instability / Paul R. Krugman. MIT Press, 1989.

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