MLA

Charikar, Moses, et al. Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. Springer Berlin Heidelberg, 2007.

APA

Charikar, M., Jansen, K., Kanade, T., Reingold, O., Rolim, J. D. P, & Kittler, J. (2007). Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. Springer Berlin Heidelberg.

Chicago

Charikar, Moses, Klaus Jansen, Takeo Kanade, Omer Reingold, José D. P Rolim, and Josef Kittler. Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. : Springer Berlin Heidelberg, 2007.