Cita APA

Ellis, R. H. (1994). The case books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine.

Citación estilo Chicago

Ellis, R. H. The Case Books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine, 1994.

Cita MLA

Ellis, R. H. The Case Books of Dr. John Snow. The Wellcome Trust Centre for the History of Medicine, 1994.

Precaución: Estas citas no son 100% exactas.