Walker, P. E. (ca. 1977). The "Crusade" of John Tzimisces in the light of new Arabic evidence [Book]. Byzantion, 47 (1977) 301-327, 47 (1977) 301-327.
Chicago Manual of Style 17th edition (author-date)Walker, Paul E. 1977. „The ‚Crusade‘ of John Tzimisces in the light of new Arabic evidence“. Book. Byzantion, Nr. 47 (1977) 301-327: 47 (1977) 301-327.
Springer - Basic (author-date)Walker PE (1977) The "Crusade" of John Tzimisces in the light of new Arabic evidence. Byzantion 47 (1977) 301-327
Springer - Lecture Notes in Computer Science1.Walker, P.E.: The "Crusade" of John Tzimisces in the light of new Arabic evidence. Byzantion. 47 (1977) 301-327 (1977).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Walker, Paul E.: The "Crusade" of John Tzimisces in the light of new Arabic evidence. In: Byzantion (1977), Nr. 47 (1977) 301-327, S. 47 (1977) 301-327