APA (7th ed.) Citation

Twiss, T. (1851). The Letters apostolic of Pius IX considered. Longman, Brown, and Longmans.

Chicago Style (17th ed.) Citation

Twiss, Travers. The Letters Apostolic of Pius IX Considered. London: Longman, Brown, and Longmans, 1851.

MLA (9th ed.) Citation

Twiss, Travers. The Letters Apostolic of Pius IX Considered. Longman, Brown, and Longmans, 1851.

Warning: These citations may not always be 100% accurate.