Style de citation APA (7e éd.)
Kagan, D. (1962). Decline and fall of the Roman Empire: why did it collapse?.: Why did it collapse? Heath.
Style de citation Chicago (17e éd.)
Kagan, Donald. Decline and Fall of the Roman Empire: Why Did It Collapse?.: Why Did It Collapse? Boston: Heath, 1962.
Style de citation MLA (9e éd.)
Kagan, Donald. Decline and Fall of the Roman Empire: Why Did It Collapse?.: Why Did It Collapse? Heath, 1962.
Attention : ces citations peuvent ne pas être correctes à 100%.