Alcañiz Raya, M. L., Naranjo Ornedo, V., Fuentes-Hurtado, F., & Diego-Mas, J. A. (2019). Automatic classification of human facial features based on their appearance. PLOS ONE. doi:10.1371/journal.pone.0211314
Chicago Style (17th ed.) CitationAlcañiz Raya, Mariano Luis, Valeriana Naranjo Ornedo, Felix Fuentes-Hurtado, and Jose Antonio Diego-Mas. "Automatic Classification of Human Facial Features Based on Their Appearance." PLOS ONE 2019. https://doi.org/10.1371/journal.pone.0211314.
MLA (9th ed.) CitationAlcañiz Raya, Mariano Luis, et al. "Automatic Classification of Human Facial Features Based on Their Appearance." PLOS ONE, 2019, https://doi.org/10.1371/journal.pone.0211314.
Warning: These citations may not always be 100% accurate.