APA

Hales E. E. Y., . (1954). Pio Nono: a study in European politics and religion in the nineteenth century. New York: P.J. Kenedy.

Chicago

Hales Edward Elton Young, . 1954. Pio Nono: a study in European politics and religion in the nineteenth century. New York: P.J. Kenedy.

Harvard

Hales E. E. Y., . (1954). Pio Nono: a study in European politics and religion in the nineteenth century. New York: P.J. Kenedy.

MLA

Hales Edward Elton Young, . Pio Nono: a study in European politics and religion in the nineteenth century. New York: P.J. Kenedy. 1954.