Genschorek, D. W., & Genschorek, G. (1975). Robert Koch: Leben, Werk, Zeit (o.A.). S. Hirzel Verlag.
Chicago Style (17th ed.) CitationGenschorek, Dr. Wolfgang, and Gertraude Genschorek. Robert Koch: Leben, Werk, Zeit. o.A. Leipzig: S. Hirzel Verlag, 1975.
MLA (8th ed.) CitationGenschorek, Dr. Wolfgang, and Gertraude Genschorek. Robert Koch: Leben, Werk, Zeit. o.A. S. Hirzel Verlag, 1975.
Warning: These citations may not always be 100% accurate.