APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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