Cita APA (7a ed.)

Otto. J. Groeg. (1976). Who's who in Germany: A biographical enciclopedia. Containing some 23.000 biographies of prominent personalities in Germany and a listing of 2.400 organizations (6th. ed.). Book & Publishing.

Cita Chicago Style (17a ed.)

Otto. J. Groeg. Who's Who in Germany: A Biographical Enciclopedia. Containing Some 23.000 Biographies of Prominent Personalities in Germany and a Listing of 2.400 Organizations. 6th. ed. Munich: Book & Publishing, 1976.

Cita MLA (8a ed.)

Otto. J. Groeg. Who's Who in Germany: A Biographical Enciclopedia. Containing Some 23.000 Biographies of Prominent Personalities in Germany and a Listing of 2.400 Organizations. 6th. ed. Book & Publishing, 1976.