Tractenberg, R. E., Yumoto, F., Aisen, P. S., Kaye, J. A., & Mislevy, R. J. (2012). Using the Guttman Scale to Define and Estimate Measurement Error in Items over Time: The Case of Cognitive Decline and the Meaning of "Points Lost". PLoS ONE, 7(2), 1. https://doi.org/10.1371/journal.pone.0030019
Chicago Style (17th ed.) CitationTractenberg, Rochelle E., Futoshi Yumoto, Paul S. Aisen, Jeffrey A. Kaye, and Robert J. Mislevy. "Using the Guttman Scale to Define and Estimate Measurement Error in Items over Time: The Case of Cognitive Decline and the Meaning of "Points Lost"." PLoS ONE 7, no. 2 (2012): 1. https://doi.org/10.1371/journal.pone.0030019.
MLA (9th ed.) CitationTractenberg, Rochelle E., et al. "Using the Guttman Scale to Define and Estimate Measurement Error in Items over Time: The Case of Cognitive Decline and the Meaning of "Points Lost"." PLoS ONE, vol. 7, no. 2, 2012, p. 1, https://doi.org/10.1371/journal.pone.0030019.