APA (7th ed.) Citation

Keydana, G., Hock, W., & Widmer, P. (2021). Comparison and gradation in Indo-European. De Gruyter Mouton. https://doi.org/10.1515/9783110641325

Chicago Style (17th ed.) Citation

Keydana, Götz, Wolfgang Hock, and Paul Widmer. Comparison and Gradation in Indo-European. Berlin ; Boston: De Gruyter Mouton, 2021. https://doi.org/10.1515/9783110641325.

MLA (9th ed.) Citation

Keydana, Götz, et al. Comparison and Gradation in Indo-European. De Gruyter Mouton, 2021. https://doi.org/10.1515/9783110641325.