Armstrong, K. (ca. 1991). Holy war : the Crusades and their impact on today’s world (1 st ed. in the U.S.A) [Book]. Doubleday.
Chicago Manual of Style 17th edition (author-date)Armstrong, Karen. 1991. Holy war : the Crusades and their impact on today’s world. Book. 1 st ed. in the U.S.A. New York: Doubleday.
Springer - Basic (author-date)Armstrong K (1991) Holy war : the Crusades and their impact on today’s world, 1 st ed. in the U.S.A. Doubleday, New York
Springer - Lecture Notes in Computer Science1.Armstrong, K.: Holy war : the Crusades and their impact on today’s world. Doubleday, New York (1991).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Armstrong, Karen ; ; ; : Holy war : the Crusades and their impact on today’s world. 1 st ed. in the U.S.A.. book. New York : Doubleday, 1991 — ISBN 0385241933
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.