Gehlen, A. Zeit-Bilder 1960: Arnold Gehlen. 1940 - 1991.(1998).
Chicago Style (17th ed.) CitationGehlen, Arnold. "Zeit-Bilder 1960: Arnold Gehlen." 1940 - 1991.(1998) .
MLA (8th ed.) CitationGehlen, Arnold. "Zeit-Bilder 1960: Arnold Gehlen." 1940 - 1991.(1998), .
Warning: These citations may not always be 100% accurate.