Janosky, J., Pellitieri, T., & Al-Shboul, Q. (1997). The need for a revised lower limit for the 4253H, Twice nonparametric smoother. Statistics & probability letters, 32(3), 269-272. https://doi.org/10.1016/S0167-7152(96)00083-1
Chicago Style (17th ed.) CitationJanosky, J.E, T.R Pellitieri, and Q.M Al-Shboul. "The Need for a Revised Lower Limit for the 4253H, Twice Nonparametric Smoother." Statistics & Probability Letters 32, no. 3 (1997): 269-272. https://doi.org/10.1016/S0167-7152(96)00083-1.
MLA (9th ed.) CitationJanosky, J.E, et al. "The Need for a Revised Lower Limit for the 4253H, Twice Nonparametric Smoother." Statistics & Probability Letters, vol. 32, no. 3, 1997, pp. 269-272, https://doi.org/10.1016/S0167-7152(96)00083-1.
Warning: These citations may not always be 100% accurate.