APA (7th ed.) Citation

Halphen, L., & Nie, G. d. (1977). Charlemagne and the Carolingian Empire / by Louis Halphen ; translated (from the French) by Giselle de Nie. North-Holland Publishing Co..

Chicago Style (17th ed.) Citation

Halphen, Louis, and Giselle de Nie. Charlemagne and the Carolingian Empire / by Louis Halphen ; Translated (from the French) by Giselle De Nie. Amsterdam (etc.) ; Oxford: North-Holland Publishing Co., 1977.

MLA (9th ed.) Citation

Halphen, Louis, and Giselle de Nie. Charlemagne and the Carolingian Empire / by Louis Halphen ; Translated (from the French) by Giselle De Nie. North-Holland Publishing Co., 1977.

Warning: These citations may not always be 100% accurate.