Citazione Stile APA (7a Edizione)

Cohen, D., Jeavons, P., & Živný, S. (2008). The expressive power of valued constraints: Hierarchies and collapses.

Citazione stile Chigago Style (17a edizione)

Cohen, D., P. Jeavons, e S. Živný. The Expressive Power of Valued Constraints: Hierarchies and Collapses. 2008.

Citatione MLA (9a ed.)

Cohen, D., et al. The Expressive Power of Valued Constraints: Hierarchies and Collapses. 2008.