APA (7th ed.) Citation

Eiter, T., Gottlob, G., & Gurevich, Y. (1998). Existential Second−Order Logic over Strings.

Chicago Style (17th ed.) Citation

Eiter, T., G. Gottlob, and Y. Gurevich. Existential Second−Order Logic over Strings. 1998.

MLA (9th ed.) Citation

Eiter, T., et al. Existential Second−Order Logic over Strings. 1998.