APA (7th ed.) Citation

Swan, T., & Westvik, O. J. (1997). Modality in Germanic languages: Historical and comparative perspectives. Mouton de Gruyter.

Chicago Style (17th ed.) Citation

Swan, Toril, and Olaf Jansen Westvik. Modality in Germanic Languages: Historical and Comparative Perspectives. Berlin ; New York: Mouton de Gruyter, 1997.

MLA (8th ed.) Citation

Swan, Toril, and Olaf Jansen Westvik. Modality in Germanic Languages: Historical and Comparative Perspectives. Mouton de Gruyter, 1997.