Cita APA

Agustín, S., & Pontifex, M. (. 1. (1955). The problem of free choice. Westminster (Maryland) [etc.]: The Newman Press [etc.].

Citación estilo Chicago

Agustín, Santo, and Mark (O.S.B.) 1896- Pontifex. The Problem of Free Choice. Westminster (Maryland) [etc.]: The Newman Press [etc.], 1955.

Cita MLA

Agustín, Santo, and Mark (O.S.B.) 1896- Pontifex. The Problem of Free Choice. Westminster (Maryland) [etc.]: The Newman Press [etc.], 1955.