Cita APA (7th ed.)
Vaughan, R. St. John and the Seven Churches. Virtue and Company.
Cita Chicago (17th ed.)
Vaughan, Robert. St. John and the Seven Churches. Londres, Inglaterra: Virtue and Company.
Cita MLA (9th ed.)
Vaughan, Robert. St. John and the Seven Churches. Virtue and Company.
Atenció: Aquestes cites poden no estar 100% correctes.