APA (7th ed.) Citation

Saxo Grammaticus, Friis-Jensen, K., & Fisher, P. (2019). Gesta Danorum. Oxford University Press. https://doi.org/10.1093/actrade/9780198705765.book.1

Chicago Style (17th ed.) Citation

Saxo Grammaticus, Karsten Friis-Jensen, and Peter Fisher. Gesta Danorum. Oxford: Oxford University Press, 2019. https://doi.org/10.1093/actrade/9780198705765.book.1.

MLA (9th ed.) Citation

Saxo Grammaticus, et al. Gesta Danorum. Oxford University Press, 2019. https://doi.org/10.1093/actrade/9780198705765.book.1.