Cita APA

Bradford Hill, A. (1971). Principles of medical statistics (9th edition.). New York: The Lancet.

Citación estilo Chicago

Bradford Hill, Austin. Principles of Medical Statistics. 9th edition. New York: The Lancet, 1971.

Cita MLA

Bradford Hill, Austin. Principles of Medical Statistics. 9th edition. New York: The Lancet, 1971.

Precaución: Estas citas no son 100% exactas.