(2019). 20 & 21: Revue d'histoire 2023 = Nr.157-160. 20 & 21.
Chicago Style (17th ed.) Citation"20 & 21: Revue D'histoire 2023 = Nr.157-160." 20 & 21 2019.
MLA (8th ed.) Citation"20 & 21: Revue D'histoire 2023 = Nr.157-160." 20 & 21, 2019.
Warning: These citations may not always be 100% accurate.
