APA (7th ed.) Citation

Rigobón, R. (2001). Contagion: How to measure it?

Chicago Style (17th ed.) Citation

Rigobón, Roberto. Contagion: How to Measure It? Cambridge, Mass, 2001.

MLA (9th ed.) Citation

Rigobón, Roberto. Contagion: How to Measure It? 2001.

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