Cita APA (7th ed.)
ebrary, Inc, & Powell, J. M. (2004). The Deeds of Pope Innocent III. Catholic University of America Press.
Cita Chicago (17th ed.)
ebrary, Inc, i James M. Powell. The Deeds of Pope Innocent III. Washington, DC.: Catholic University of America Press, 2004.
Cita MLA (9th ed.)
ebrary, Inc, i James M. Powell. The Deeds of Pope Innocent III. Catholic University of America Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.