APA (7th ed.) Citation

Gent, I. P., & Walsh, T. (1994). Computational phase transitions in real problems.

Chicago Style (17th ed.) Citation

Gent, Ian P., and Toby Walsh. Computational Phase Transitions in Real Problems. Edinburgh, 1994.

MLA (9th ed.) Citation

Gent, Ian P., and Toby Walsh. Computational Phase Transitions in Real Problems. 1994.