APA (7th ed.) Citation

R, V., CA, M., CM, B., KS, L., TS, T., & CP, A. (2009). Two-dimensional speckle-tracking echocardiography of the left atrium: Feasibility and regional contraction and relaxation differences in normal subjects. Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography, 22(3), 299. https://doi.org/10.1016/j.echo.2008.12.017

Chicago Style (17th ed.) Citation

R, Vianna-Pinton, Moreno CA, Baxter CM, Lee KS, Tsang TS, and Appleton CP. "Two-dimensional Speckle-tracking Echocardiography of the Left Atrium: Feasibility and Regional Contraction and Relaxation Differences in Normal Subjects." Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography 22, no. 3 (2009): 299. https://doi.org/10.1016/j.echo.2008.12.017.

MLA (9th ed.) Citation

R, Vianna-Pinton, et al. "Two-dimensional Speckle-tracking Echocardiography of the Left Atrium: Feasibility and Regional Contraction and Relaxation Differences in Normal Subjects." Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography, vol. 22, no. 3, 2009, p. 299, https://doi.org/10.1016/j.echo.2008.12.017.