Cita APA (7a ed.)

McElrath, D. (1964). The Syllabus of Pius IX: Some reactions in England. [s.n.].

Cita Chicago Style (17a ed.)

McElrath, Damian. The Syllabus of Pius IX: Some Reactions in England. Louvain: [s.n.], 1964.

Cita MLA (9a ed.)

McElrath, Damian. The Syllabus of Pius IX: Some Reactions in England. [s.n.], 1964.