APA-viite (7. p.)

Petre, M. D. (1903). The temperament of doubt. Catholic Truth Society.

Chicago-viite (17. p.)

Petre, Maude Dominica. The Temperament of Doubt. London: Catholic Truth Society, 1903.

MLA-viite (8. p.)

Petre, Maude Dominica. The Temperament of Doubt. Catholic Truth Society, 1903.