MLA

Hepp, Martin; Sure, York; Leenheer, Pieter; Moor, Aldo, et al. Ontology Management. Springer, 2007.

APA

Hepp, A., De Leenheer, P., Hepp, M., Hepp, M., Leenheer, P., Moor, A., Sure, Y., & de Moor, A. (2007). Ontology Management. Springer.

Chicago

Hepp, Martin; Sure, York; Leenheer, Pieter; Moor, Aldo, Pieter De Leenheer, M Hepp, Martin Hepp, Pieter Leenheer, Aldo Moor, York Sure, and Aldo de Moor. Ontology Management. : Springer, 2007.