MLA

Calude, Cristian S, et al. Unconventional Computation. Springer Berlin Heidelberg, 2006.

APA

Calude, C. S, Dinneen, M. J, Kanade, T., Paun, G., Rozenberg, G., & Stepney, S. (2006). Unconventional Computation. Springer Berlin Heidelberg.

Chicago

Calude, Cristian S., Michael J Dinneen, Takeo Kanade, Gheorghe Paun, Grzegorz Rozenberg, and Susan Stepney. Unconventional Computation. : Springer Berlin Heidelberg, 2006.