American Psychological Association 7th edition

Powell, J. M. (ca. 1986). Anatomy of a crusade, 1213 - 1221 [Book]. In The Middle Ages. Univ. of Pennsylvania Press.

Chicago Manual of Style 17th edition (author-date)

Powell, James M. 1986. Anatomy of a crusade, 1213 - 1221. Book. The Middle Ages. Philadelphia: Univ. of Pennsylvania Press.

Springer - Basic (author-date)

Powell JM (1986) Anatomy of a crusade, 1213 - 1221. Univ. of Pennsylvania Press, Philadelphia

Springer - Lecture Notes in Computer Science

1.Powell, J.M.: Anatomy of a crusade, 1213 - 1221. Univ. of Pennsylvania Press, Philadelphia (1986).

DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690

Powell, James M. ; ; ; : Anatomy of a crusade, 1213 - 1221. book. Philadelphia : Univ. of Pennsylvania Press, 1986 — ISBN 0812280253

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.