APA (7th ed.) Citation

Groeg, O. J. (1973). Who's who in medicine: A biographical dictionary containing some 4700 biographies of prominent people in the sector of medicine within Germany and 246 organizations (Ed. Germany, 1. ed.). Who's Who Book & Publ. GmbH.

Chicago Style (17th ed.) Citation

Groeg, Otto J. Who's Who in Medicine: A Biographical Dictionary Containing Some 4700 Biographies of Prominent People in the Sector of Medicine Within Germany and 246 Organizations. Ed. Germany, 1. ed. Ottobrunn: Who's Who Book & Publ. GmbH, 1973.

MLA (9th ed.) Citation

Groeg, Otto J. Who's Who in Medicine: A Biographical Dictionary Containing Some 4700 Biographies of Prominent People in the Sector of Medicine Within Germany and 246 Organizations. Ed. Germany, 1. ed. Who's Who Book & Publ. GmbH, 1973.