APA Style

Knudsen, L, R., Robshaw, M, J. (2011). The Block cipher companion (null). New York: Springer-Verlag Berlin Heidelberg.

MLA Style

Knudsen, Lars, R.., Robshaw, Mattew, J.B.. "The Block cipher companion". null New York: Springer-Verlag Berlin Heidelberg, 2011. Text.