APA (7th ed.) Citation

Keydana, G., Hock, W., Widmer, P., Ackermann, K., Dupraz, E., Enger, H., . . . Wodtko, D. (2021). Comparison and gradation in Indo-European. De Gruyter Mouton.

Chicago Style (17th ed.) Citation

Keydana, Götz, et al. Comparison and Gradation in Indo-European. Berlin ; Boston: De Gruyter Mouton, 2021.

MLA (8th ed.) Citation

Keydana, Götz, et al. Comparison and Gradation in Indo-European. De Gruyter Mouton, 2021.