Cita APA (7a ed.)

Peters, J. F., Skowron, A., & Rybi¿„ski, H. (2008). Transactions on rough sets IX. Springer Berlin Heidelberg.

Cita Chicago Style (17a ed.)

Peters, James F., Andrzej Skowron, y Henryk Rybi¿„ski. Transactions on Rough Sets IX. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.

Cita MLA (8a ed.)

Peters, James F., et al. Transactions on Rough Sets IX. Springer Berlin Heidelberg, 2008.