APA (7th ed.) Citation

Elkeles, B. (1991). Robert Koch: (1843 - 1910).

Chicago Style (17th ed.) Citation

Elkeles, Barbara. Robert Koch: (1843 - 1910). 1991.

MLA (9th ed.) Citation

Elkeles, Barbara. Robert Koch: (1843 - 1910). 1991.

Warning: These citations may not always be 100% accurate.