Citazione Stile APA (7a Edizione)

Eiter, T., Gottlob, G., & Gurevich, Y. (1996). Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems.

Citazione stile Chigago Style (17a edizione)

Eiter, T., G. Gottlob, e Y. Gurevich. Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems. 1996.

Citatione MLA (9a ed.)

Eiter, T., et al. Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems. 1996.