Cita APA (7a ed.)

Little, A. G., & Alexander VI, P. (1944). Introduction of the Observant Friars into England: A bull of Alexander VI. Humphrey Milford Amen House, E.C..

Cita Chicago Style (17a ed.)

Little, A. G., y Pope Alexander VI. Introduction of the Observant Friars into England: A Bull of Alexander VI. London: Humphrey Milford Amen House, E.C., 1944.

Cita MLA (8a ed.)

Little, A. G., y Pope Alexander VI. Introduction of the Observant Friars into England: A Bull of Alexander VI. Humphrey Milford Amen House, E.C., 1944.