The Germanic languages
MLA
König, Ekkehard, and Johan Van der Auwera. The Germanic Languages. London: Routledge, 1994.
APA
König, E., & Van der Auwera, J. (1994). The Germanic languages. London: Routledge.
Chicago
König, Ekkehard ed., and Johan Van der Auwera ed. The Germanic Languages. London: Routledge, 1994.