Grey Systems

MLA

Liu, Sifeng, et al. Grey Systems. Springer Berlin Heidelberg, 2011.

APA

Liu, S., Lin, Y., Érdi, P., Forrest, J. Yi Lin, & Friston, K. J. (2011). Grey Systems. Springer Berlin Heidelberg.

Chicago

Liu, Sifeng, Yi Lin, Péter Érdi, Jeffrey Yi Lin Forrest, and Karl J Friston. Grey Systems. : Springer Berlin Heidelberg, 2011.