APA (7th ed.) Citation

Constant, A., Kahanec, M., & Zimmermann, K. F. (2007). The Russian-Ukrainian political divide. CEPR.

Chicago Style (17th ed.) Citation

Constant, Amelie, Martin Kahanec, and Klaus F. Zimmermann. The Russian-Ukrainian Political Divide. London: CEPR, 2007.

MLA (9th ed.) Citation

Constant, Amelie, et al. The Russian-Ukrainian Political Divide. CEPR, 2007.