Cita APA (7a ed.)

Guardini, R., & Briefs Castendyk, E. (1957). Before Mass. Longmans, Green & Co.

Cita Chicago Style (17a ed.)

Guardini, Romano, y Elinor Briefs Castendyk. Before Mass. London [etc.]: Longmans, Green & Co, 1957.

Cita MLA (9a ed.)

Guardini, Romano, y Elinor Briefs Castendyk. Before Mass. Longmans, Green & Co, 1957.