MLA

W. Th. Douma, et al. The Evolving Nature of Eu External Relations Law. T.M.C. Asser Press, 2021.

APA

W. Th. Douma, W. Th. Douma, Eckes, C., Kassoti, E., Ott, A., Van Elsuwege, P., & Wessel, R. A. (2021). The Evolving Nature of EU External Relations Law. T.M.C. Asser Press.

Chicago

W. Th. Douma, C Eckes, E Kassoti, A Ott, P Van Elsuwege, and R. A Wessel. The Evolving Nature of EU External Relations Law. : T.M.C. Asser Press, 2021.