Cita APA (7a ed.)

Duggan, J. F. (1991). Spiritual Roots: The Roman Catholic Archdiocese of Toronto at 150 Years of Age. Toronto.

Cita Chicago Style (17a ed.)

Duggan, John; Fey. Spiritual Roots: The Roman Catholic Archdiocese of Toronto at 150 Years of Age. Toronto, 1991.

Cita MLA (8a ed.)

Duggan, John; Fey. Spiritual Roots: The Roman Catholic Archdiocese of Toronto at 150 Years of Age. Toronto, 1991.