Cita APA (7a ed.)

Alt, V. (1949). De potestate magistri spiritus: : ad normam canonis 588. Officium libri catholici = Catholic book agency.

Cita Chicago Style (17a ed.)

Alt, Virgilius. De Potestate Magistri Spiritus: : Ad Normam Canonis 588. Romae: Officium libri catholici = Catholic book agency, 1949.

Cita MLA (9a ed.)

Alt, Virgilius. De Potestate Magistri Spiritus: : Ad Normam Canonis 588. Officium libri catholici = Catholic book agency, 1949.