Groeg, O. J. (1974). Who's who in Germany: A bibliographical dictionary containing some ... biographies of prominent people in and of Germany and 2400 organizations (5. ed.). Who's Who Books.
Chicago Style (17th ed.) CitationGroeg, Otto J. Who's Who in Germany: A Bibliographical Dictionary Containing Some ... Biographies of Prominent People in and of Germany and 2400 Organizations. 5. ed. Ottobrunn: Who's Who Books, 1974.
MLA (9th ed.) CitationGroeg, Otto J. Who's Who in Germany: A Bibliographical Dictionary Containing Some ... Biographies of Prominent People in and of Germany and 2400 Organizations. 5. ed. Who's Who Books, 1974.
Warning: These citations may not always be 100% accurate.