Gaya APA

Martignetti, R, S. (2004). Saint Bonaventure's tree of life: Theology of the mystical journey. . Roma: Roma Frati Editori di Quaracchi.

Gaya MLA

Martignetti, Richard, S.. "Saint Bonaventure's tree of life: Theology of the mystical journey. ". Roma: Roma Frati Editori di Quaracchi, 2004. Buku.