Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationGlass, B. (1951). A biologic view of human history. - Lancaster, PA.
Chicago Citation Edition CitationGlass, Bentley. A Biologic View of Human History. - Lancaster, PA. 1951.
MLA Citation Edition CitationGlass, Bentley. A Biologic View of Human History. - Lancaster, PA. 1951.