Zafar, F.;                     Khan, A.;                     Anjum, A.;                     Maple, C.;                     Shah, M.A.    
        Location Proof Systems for Smart Internet of Things: Requirements, Taxonomy, and Comparative Analysis. Electronics 2020, 9, 1776.
    https://doi.org/10.3390/electronics9111776
    AMA Style
    
                                Zafar F,                                 Khan A,                                 Anjum A,                                 Maple C,                                 Shah MA.        
                Location Proof Systems for Smart Internet of Things: Requirements, Taxonomy, and Comparative Analysis. Electronics. 2020; 9(11):1776.
        https://doi.org/10.3390/electronics9111776
    
    Chicago/Turabian Style
    
                                Zafar, Faheem,                                 Abid Khan,                                 Adeel Anjum,                                 Carsten Maple,                                 and Munam Ali Shah.        
                2020. "Location Proof Systems for Smart Internet of Things: Requirements, Taxonomy, and Comparative Analysis" Electronics 9, no. 11: 1776.
        https://doi.org/10.3390/electronics9111776
    
    APA Style
    
                                Zafar, F.,                                 Khan, A.,                                 Anjum, A.,                                 Maple, C.,                                 & Shah, M. A.        
        
        (2020). Location Proof Systems for Smart Internet of Things: Requirements, Taxonomy, and Comparative Analysis. Electronics, 9(11), 1776.
        https://doi.org/10.3390/electronics9111776