Cita APA (7a ed.)

Willis, G. (1964). Essays in Early Roman Liturgy. SPCK.

Cita Chicago Style (17a ed.)

Willis, G.G. Essays in Early Roman Liturgy. London: SPCK, 1964.

Cita MLA (9a ed.)

Willis, G.G. Essays in Early Roman Liturgy. SPCK, 1964.