Cita APA (7a ed.)

Undset, S. (1954). Catherine of Siena. Sheed and Ward.

Cita Chicago Style (17a ed.)

Undset, Sigrid. Catherine of Siena. New York: Sheed and Ward, 1954.

Cita MLA (8a ed.)

Undset, Sigrid. Catherine of Siena. Sheed and Ward, 1954.