APA (7th ed.) Citation

(1987). The traveling salesman problem: A guided tour of combinatorial optimization (Repr.). Wiley.

Chicago Style (17th ed.) Citation

The Traveling Salesman Problem: A Guided Tour of Combinatorial Optimization. Repr. Chichester u.a: Wiley, 1987.

MLA (9th ed.) Citation

The Traveling Salesman Problem: A Guided Tour of Combinatorial Optimization. Repr. Wiley, 1987.

Warning: These citations may not always be 100% accurate.