APA-viite (7. p.)

Gottlob, G., Leone, N., & Veith, H. (1995). Second Order Logic and the Weak Exponential Hierarchies. Springer.

Chicago-viite (17. p.)

Gottlob, G., N. Leone, ja H. Veith. Second Order Logic and the Weak Exponential Hierarchies. Springer, 1995.

MLA-viite (9. p.)

Gottlob, G., et al. Second Order Logic and the Weak Exponential Hierarchies. Springer, 1995.