Cita APA (7a ed.)
Perraillon, M. C., Lindrooth, R., & Welton, J. M. (Nov/Dec2019). Difference-in-Difference Research Designs. Nursing Economic$, 37(6), 328-332.
Cita Chicago Style (17a ed.)
Perraillon, Marcelo Coca, Richard Lindrooth, y John M. Welton. "Difference-in-Difference Research Designs." Nursing Economic$ 37, no. 6 (Nov/Dec2019): 328-332.
Cita MLA (9a ed.)
Perraillon, Marcelo Coca, et al. "Difference-in-Difference Research Designs." Nursing Economic$, vol. 37, no. 6, Nov/Dec2019, pp. 328-332.
Precaución: Estas citas no son 100% exactas.