Cita APA (7a ed.)
Polit-Ohara, D. (1991). Nursing research: Principio and methods. Lippincott Company.
Cita Chicago Style (17a ed.)
Polit-Ohara, Denise. Nursing Research: Principio and Methods. New York: Lippincott Company, 1991.
Cita MLA (9a ed.)
Polit-Ohara, Denise. Nursing Research: Principio and Methods. Lippincott Company, 1991.
Precaución: Estas citas no son 100% exactas.