APA
Pius X, . (1971). Encyclical letter ("Pascendi Gredis") of our most Holy Lord Pius X. By divine providence pope on the Doctrines of the modernists. London: Burns and Oates, Ltd.
Chicago
Pius X, . 1971. Encyclical letter ("Pascendi Gredis") of our most Holy Lord Pius X. By divine providence pope on the Doctrines of the modernists. London: Burns and Oates, Ltd.
Harvard
Pius X, . (1971). Encyclical letter ("Pascendi Gredis") of our most Holy Lord Pius X. By divine providence pope on the Doctrines of the modernists. London: Burns and Oates, Ltd.
MLA
Pius X, . Encyclical letter ("Pascendi Gredis") of our most Holy Lord Pius X. By divine providence pope on the Doctrines of the modernists. London: Burns and Oates, Ltd. 1971.
