Wright, G. F. (1920). The ice age in North America and its bearings upon the antiquity of man (6., enlarged ed.). Bibliotheca Sacra.
Chicago-Zitierstil (17. Ausg.)Wright, George F. The Ice Age in North America and Its Bearings upon the Antiquity of Man. 6., enlarged ed. Oberlin, Ohio: Bibliotheca Sacra, 1920.
MLA-Zitierstil (9. Ausg.)Wright, George F. The Ice Age in North America and Its Bearings upon the Antiquity of Man. 6., enlarged ed. Bibliotheca Sacra, 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.