APA (7th ed.) Citation

Alden, J. W. (1877). Vaticanism unmasked: Or, Romanism in the United States. Principia Club.

Chicago Style (17th ed.) Citation

Alden, Joseph Warren. Vaticanism Unmasked: Or, Romanism in the United States. Cambridge, Mass.: Principia Club, 1877.

MLA (8th ed.) Citation

Alden, Joseph Warren. Vaticanism Unmasked: Or, Romanism in the United States. Principia Club, 1877.