APA-referens (7:e uppl.)

Smith, S. F. Luther and Tetzel. International Catholic Truth Society.

Chicago-referens (17:e uppl.)

Smith, Sydney Fenn. Luther and Tetzel. Brooklyn, N.Y.: International Catholic Truth Society.

MLA-referens (8:e uppl.)

Smith, Sydney Fenn. Luther and Tetzel. International Catholic Truth Society.