APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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