APA (7th ed.) Citation

(1891). The encyclical of Leo XIII. On the condition of labour. Together with letters from the Vatican, 1889. Ill. ed. "Review of Reviews".

Chicago Style (17th ed.) Citation

The Encyclical of Leo XIII. On the Condition of Labour. Together with Letters from the Vatican, 1889. Ill. Ed. "Review of Reviews", 1891.

MLA (8th ed.) Citation

The Encyclical of Leo XIII. On the Condition of Labour. Together with Letters from the Vatican, 1889. Ill. Ed. "Review of Reviews", 1891.