APA

Ausiello G., Crescenzi P., Gambosi G., Kann V., Marchetti-Spaccamela A. & Protasi M. (2003). Complexity and Approximation. Combinatorial Optimization Problems and Their Approximability Properties. Berlin: Springer.

Chicago

Ausiello G, Crescenzi P, Gambosi G, Kann V, Marchetti-Spaccamela A and Protasi M. 2003. Complexity and Approximation. Combinatorial Optimization Problems and Their Approximability Properties. Berlin: Springer.

Harvard

Ausiello G., Crescenzi P., Gambosi G., Kann V., Marchetti-Spaccamela A. and Protasi M. (2003). Complexity and Approximation. Combinatorial Optimization Problems and Their Approximability Properties. Berlin: Springer.

MLA

Ausiello G, Crescenzi P, Gambosi G, Kann V, Marchetti-Spaccamela A and Protasi M. Complexity and Approximation. Combinatorial Optimization Problems and Their Approximability Properties. Berlin: Springer. 2003.