APA (7th ed.) Citation

Marquardt, M. (1949). Paul Ehrlich. W. Heinemann Medical Books.

Chicago Style (17th ed.) Citation

Marquardt, Martha. Paul Ehrlich. London: W. Heinemann Medical Books, 1949.

MLA (8th ed.) Citation

Marquardt, Martha. Paul Ehrlich. W. Heinemann Medical Books, 1949.

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