APA aipamena

Gottlob, G., Kappel, G., & Schrefl, M. (1995). The Evolving Algebra Semantics of Class and Role Hierarchies. Springer.

Chicago Style aipamena

Gottlob, G., G. Kappel, and M. Schrefl. The Evolving Algebra Semantics of Class and Role Hierarchies. Springer, 1995.

MLA aipamena

Gottlob, G., et al. The Evolving Algebra Semantics of Class and Role Hierarchies. Springer, 1995.