APA (7th ed.) Citation

Gruen, E. S. (2020). Ethnicity in the Ancient world - did it matter? De Gruyter. https://doi.org/10.1515/9783110685657-001

Chicago Style (17th ed.) Citation

Gruen, Erich S. Ethnicity in the Ancient World - Did It Matter? Berlin Boston: De Gruyter, 2020. https://doi.org/10.1515/9783110685657-001.

MLA (8th ed.) Citation

Gruen, Erich S. Ethnicity in the Ancient World - Did It Matter? De Gruyter, 2020. https://doi.org/10.1515/9783110685657-001.