APA (7th ed.) Citation

(2007). The traveling salesman problem and its variations / edited by Gregory Gutin, Abraham P. Punnen.

Chicago Style (17th ed.) Citation

The Traveling Salesman Problem and Its Variations / Edited by Gregory Gutin, Abraham P. Punnen. 2007.

MLA (9th ed.) Citation

The Traveling Salesman Problem and Its Variations / Edited by Gregory Gutin, Abraham P. Punnen. 2007.

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