APA (7th ed.) Citation

McClelland, R. L., & Kronmal, R. A. (2002). Regression-based variable clustering for data reduction. Statistics in medicine, 21(6), 921-941. https://doi.org/10.1002/sim.1063

Chicago Style (17th ed.) Citation

McClelland, R. L., and R. A. Kronmal. "Regression-based Variable Clustering for Data Reduction." Statistics in Medicine 21, no. 6 (2002): 921-941. https://doi.org/10.1002/sim.1063.

MLA (9th ed.) Citation

McClelland, R. L., and R. A. Kronmal. "Regression-based Variable Clustering for Data Reduction." Statistics in Medicine, vol. 21, no. 6, 2002, pp. 921-941, https://doi.org/10.1002/sim.1063.