Modality and its interaction with the verbal system.

MLA

Barbiers, Sjef, Frits Beukema, and Wim Van der Wurff. Modality and Its Interaction with the Verbal System. Amsterdam: Benjamins, 2002.

APA

Barbiers, S., Beukema, F., & Van der Wurff, W. (2002). Modality and its interaction with the verbal system. Amsterdam: Benjamins.

Chicago

Barbiers, Sjef ed., Frits Beukema ed., and Wim Van der Wurff ed. Modality and Its Interaction with the Verbal System. Amsterdam: Benjamins, 2002.