Cita APA (7a ed.)

Ayd, J. J. (1918). A brief introduction to the divine office. The Devin-Adair Co.

Cita Chicago Style (17a ed.)

Ayd, Joseph J. A Brief Introduction to the Divine Office. New York: The Devin-Adair Co, 1918.

Cita MLA (8a ed.)

Ayd, Joseph J. A Brief Introduction to the Divine Office. The Devin-Adair Co, 1918.