APA-viite (7. p.)

Ó Fiaich, T. (1974). Columbanus in his own words. Veritas Publications.

Chicago-viite (17. p.)

Ó Fiaich, Tomás. Columbanus in His Own Words. Dublin: Veritas Publications, 1974.

MLA-viite (8. p.)

Ó Fiaich, Tomás. Columbanus in His Own Words. Veritas Publications, 1974.