Cite
The Smile Esthetic Index (SEI): A method to measure the esthetics of the smile. An intra-rater and inter-rater agreement study.
MLA
Rotundo, Roberto, et al. “The Smile Esthetic Index (SEI): A Method to Measure the Esthetics of the Smile. An Intra-Rater and Inter-Rater Agreement Study.” European Journal of Oral Implantology, vol. 8, no. 4, Winter 2015, pp. 397–403. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=26669549&authtype=sso&custid=ns315887.
APA
Rotundo, R., Nieri, M., Bonaccini, D., Mori, M., Lamberti, E., Massironi, D., Giachetti, L., Franchi, L., Venezia, P., Cavalcanti, R., Bondi, E., Farneti, M., Pinchi, V., & Buti, J. (2015). The Smile Esthetic Index (SEI): A method to measure the esthetics of the smile. An intra-rater and inter-rater agreement study. European Journal of Oral Implantology, 8(4), 397–403.
Chicago
Rotundo, Roberto, Michele Nieri, Daniele Bonaccini, Massimiliano Mori, Elena Lamberti, Domenico Massironi, Luca Giachetti, et al. 2015. “The Smile Esthetic Index (SEI): A Method to Measure the Esthetics of the Smile. An Intra-Rater and Inter-Rater Agreement Study.” European Journal of Oral Implantology 8 (4): 397–403. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=26669549&authtype=sso&custid=ns315887.