Beckingham, C. F., & Beckingham, C. F. (1996). Prester John, the mongols and the Ten Lost Tribes. Variorum.
Chicago Style (17th ed.) CitationBeckingham, C. F., and Charles F. Beckingham. Prester John, the Mongols and the Ten Lost Tribes. Aldershot [u.a.]: Variorum, 1996.
MLA (8th ed.) CitationBeckingham, C. F., and Charles F. Beckingham. Prester John, the Mongols and the Ten Lost Tribes. Variorum, 1996.
Warning: These citations may not always be 100% accurate.