APA-referens (7:e uppl.)

Collings, R. (1990). John of the Cross. Liturgical Press.

Chicago-referens (17:e uppl.)

Collings, Ross. John of the Cross. Collegeville, Minn.: Liturgical Press, 1990.

MLA-referens (8:e uppl.)

Collings, Ross. John of the Cross. Liturgical Press, 1990.