MLA
Weber, Peter. Smile Preferences & Age. University of North Carolina at Chapel Hill, 2014. https://doi.org/10.17615/7w8p-qd77
APA
Weber, P. (2014). Smile preferences & age. University of North Carolina at Chapel Hill. https://doi.org/10.17615/7w8p-qd77
Chicago
Weber, Peter. 2014. Smile Preferences & Age. University of North Carolina at Chapel Hill. https://doi.org/10.17615/7w8p-qd77