APA
Koppers W., . (1952). Primitive man and his world picture. London ; New York: Sheed and Ward.
Chicago
Koppers Wilhelm, . 1952. Primitive man and his world picture. London ; New York: Sheed and Ward.
Harvard
Koppers W., . (1952). Primitive man and his world picture. London ; New York: Sheed and Ward.
MLA
Koppers Wilhelm, . Primitive man and his world picture. London ; New York: Sheed and Ward. 1952.
