Cita APA (7a ed.)

Peri, V. (1968). The date of easter: Notes on the origen and development of the easter question among christians. Vatican Polyglot press.

Cita Chicago Style (17a ed.)

Peri, Vittorio. The Date of Easter: Notes on the Origen and Development of the Easter Question Among Christians. Vatican Polyglot press, 1968.

Cita MLA (9a ed.)

Peri, Vittorio. The Date of Easter: Notes on the Origen and Development of the Easter Question Among Christians. Vatican Polyglot press, 1968.