Cita APA (7th ed.)

Humphreys, R. S. (1969). The Ayyubids of Damascus, 589-658/ 1193-1260: A principality in medieval Syria. University Microfilms International.

Cita Chicago (17th ed.)

Humphreys, Richard Stephen. The Ayyubids of Damascus, 589-658/ 1193-1260: A Principality in Medieval Syria. Ann Arbor: University Microfilms International, 1969.

Cita MLA (9th ed.)

Humphreys, Richard Stephen. The Ayyubids of Damascus, 589-658/ 1193-1260: A Principality in Medieval Syria. University Microfilms International, 1969.