When two worlds met; "the Diet at Worms, 1521"
MLA
Wentz, Abdel Ross. When Two Worlds Met: "the Diet At Worms, 1521". Philadelphia: The United Lutheran publication house, 1921
APA, 7th edition
Wentz, A. Ross. (1921). When two worlds met: "the Diet at Worms, 1521". Philadelphia: The United Lutheran publication house
Chicago, 17th edition
Wentz, Abdel Ross. When two worlds met: "the Diet at Worms, 1521". Philadelphia: The United Lutheran publication house, 1921