APA (7th ed.) Citation

Polzehl, J., Spokojnyj, V. G., & Stărică, C. (2004). When did the 2001 recession really start? WIAS.

Chicago Style (17th ed.) Citation

Polzehl, Jörg, Vladimir G. Spokojnyj, and Cătălin Stărică. When Did the 2001 Recession Really Start? Berlin: WIAS, 2004.

MLA (9th ed.) Citation

Polzehl, Jörg, et al. When Did the 2001 Recession Really Start? WIAS, 2004.