Cita APA (7a ed.)

Gill, J. (1961). Eugenius IV: Pope of Christian Union. Burns & Oates.

Cita Chicago Style (17a ed.)

Gill, Joseph. Eugenius IV: Pope of Christian Union. London: Burns & Oates, 1961.

Cita MLA (9a ed.)

Gill, Joseph. Eugenius IV: Pope of Christian Union. Burns & Oates, 1961.