Cita APA (7th ed.)
Katok, A. B., & Ni�tica, V. (2011). Introduction and cocycle problem. Cambridge University Press.
Cita Chicago (17th ed.)
Katok, A. B., i Viorel Ni�tica. Introduction and Cocycle Problem. Cambridge [U.K.]: Cambridge University Press, 2011.
Cita MLA (9th ed.)
Katok, A. B., i Viorel Ni�tica. Introduction and Cocycle Problem. Cambridge University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.