APA (7e ed.) Bronvermelding

Austin, W. F. The Great Events by Famous Historians, Volume 06 (From Barbarossa to Dante).

Chicago (17e ed.) Bronvermelding

Austin, Walter F. The Great Events by Famous Historians, Volume 06 (From Barbarossa to Dante).

MLA (9e ed.) Bronvermelding

Austin, Walter F. The Great Events by Famous Historians, Volume 06 (From Barbarossa to Dante).

Let op: Deze citaties zijn niet altijd 100% accuraat.