Xiao, Y.;                     Guo, C.;                     Zeng, Q.;                     Xiong, Z.;                     Ge, Y.;                     Chen, W.;                     Wan, J.;                     Wang, B.    
        Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos. Sustainability 2021, 13, 4142.
    https://doi.org/10.3390/su13084142
    AMA Style
    
                                Xiao Y,                                 Guo C,                                 Zeng Q,                                 Xiong Z,                                 Ge Y,                                 Chen W,                                 Wan J,                                 Wang B.        
                Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos. Sustainability. 2021; 13(8):4142.
        https://doi.org/10.3390/su13084142
    
    Chicago/Turabian Style
    
                                Xiao, Yongjun,                                 Chao Guo,                                 Qingdong Zeng,                                 Zenggang Xiong,                                 Yunwang Ge,                                 Wenqing Chen,                                 Jun Wan,                                 and Bo Wang.        
                2021. "Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos" Sustainability 13, no. 8: 4142.
        https://doi.org/10.3390/su13084142
    
    APA Style
    
                                Xiao, Y.,                                 Guo, C.,                                 Zeng, Q.,                                 Xiong, Z.,                                 Ge, Y.,                                 Chen, W.,                                 Wan, J.,                                 & Wang, B.        
        
        (2021). Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos. Sustainability, 13(8), 4142.
        https://doi.org/10.3390/su13084142