APA (7th ed.) Citation

Marquardt, M. (1951). Paul Ehrlich. Schuman.

Chicago Style (17th ed.) Citation

Marquardt, Martha. Paul Ehrlich. New York: Schuman, 1951.

MLA (9th ed.) Citation

Marquardt, Martha. Paul Ehrlich. Schuman, 1951.

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