Citazione Stile APA (7a Edizione)

Riley-Smith, J., & Butler, A. (1967). A history of the Order of the Hospital of St. John of Jerusalem. Macmillan [u.a.].

Citazione stile Chigago Style (17a edizione)

Riley-Smith, Jonathan, e A.S Butler. A History of the Order of the Hospital of St. John of Jerusalem. London: Macmillan [u.a.], 1967.

Citatione MLA (8a ed.)

Riley-Smith, Jonathan, e A.S Butler. A History of the Order of the Hospital of St. John of Jerusalem. Macmillan [u.a.], 1967.