APA-referens (7:e uppl.)

Gladstone, W. E., Manning, H. E., Acton, J. E. E. D. A., & Capel, T. J. (1875). The Vatican decrees in their bearing on civil allegiance: A political expostulation. D. Appleton.

Chicago-referens (17:e uppl.)

Gladstone, W. E., Henry Edward Manning, John Emerich Edward Dalberg Acton Acton, och T. J. Capel. The Vatican Decrees in Their Bearing on Civil Allegiance: A Political Expostulation. New York: D. Appleton, 1875.

MLA-referens (8:e uppl.)

Gladstone, W. E., et al. The Vatican Decrees in Their Bearing on Civil Allegiance: A Political Expostulation. D. Appleton, 1875.