Cita APA (7a ed.)

Ambrose, S. (1967). Letters, 1-91. Catholic University of America.

Cita Chicago Style (17a ed.)

Ambrose, Saint. Letters, 1-91. Washington: Catholic University of America, 1967.

Cita MLA (8a ed.)

Ambrose, Saint. Letters, 1-91. Catholic University of America, 1967.