Proband, S. C. (1999). U.S. 1997 murder rate lowest in 30 years. Overcrowded times, 10(5), 2.
Cita Chicago Style (17a ed.)Proband, Stan C. "U.S. 1997 Murder Rate Lowest in 30 Years." Overcrowded Times 10, no. 5 (1999): 2.
Cita MLA (8a ed.)Proband, Stan C. "U.S. 1997 Murder Rate Lowest in 30 Years." Overcrowded Times, vol. 10, no. 5, 1999, p. 2.
Precaución: Estas citas no son 100% exactas.