Cita APA (7a ed.)

Gertrud the Great of Helfta, G. t., & Barratt, A. (2018). The Herald of God's Loving Kindness: Book 4. Liturgical Press.

Cita Chicago Style (17a ed.)

Gertrud the Great of Helfta, Gertrud the, y Alexandra Barratt. The Herald of God's Loving Kindness: Book 4. Collegeville: Liturgical Press, 2018.

Cita MLA (8a ed.)

Gertrud the Great of Helfta, Gertrud the, y Alexandra Barratt. The Herald of God's Loving Kindness: Book 4. Liturgical Press, 2018.