Cita APA (7a ed.)

Mueller, F. H. Three stages of encyclical social philosophy.

Cita Chicago Style (17a ed.)

Mueller, Franz H. Three Stages of Encyclical Social Philosophy. St. Louis : Catholic Central Union (Verein) of America, 1961.

Cita MLA (8a ed.)

Mueller, Franz H. Three Stages of Encyclical Social Philosophy.