Cita APA (7a ed.)
RD, B. (2007). For whom the bell tolls. Healthcare Purchasing News, 31(11), 4-5.
Cita Chicago Style (17a ed.)
RD, Barlow. "For Whom the Bell Tolls." Healthcare Purchasing News 31, no. 11 (2007): 4-5.
Cita MLA (9a ed.)
RD, Barlow. "For Whom the Bell Tolls." Healthcare Purchasing News, vol. 31, no. 11, 2007, pp. 4-5.
Precaución: Estas citas no son 100% exactas.