Kaplan, M. S., & Geling, O. (1999). Sociodemographic and geographic patterns of firearm suicide in the United States, 1989-1993. Health & place, 5(2), 179-185. doi:10.1016/S1353-8292(99)00007-6
Chicago Style (17th ed.) CitationKaplan, Mark S., and Olga Geling. "Sociodemographic and Geographic Patterns of Firearm Suicide in the United States, 1989-1993." Health & Place 5, no. 2 (1999): 179-185. https://doi.org/10.1016/S1353-8292(99)00007-6.
MLA (9th ed.) CitationKaplan, Mark S., and Olga Geling. "Sociodemographic and Geographic Patterns of Firearm Suicide in the United States, 1989-1993." Health & Place, vol. 5, no. 2, 1999, pp. 179-185, https://doi.org/10.1016/S1353-8292(99)00007-6.
Warning: These citations may not always be 100% accurate.