Cita APA (7a ed.)

Christofides, N. (1979). Combinatorial optimization. Wiley.

Cita Chicago Style (17a ed.)

Christofides, Nicos. Combinatorial Optimization. Chichester: Wiley, 1979.

Cita MLA (9a ed.)

Christofides, Nicos. Combinatorial Optimization. Wiley, 1979.