@book { PrivateandPubliconSocialNetworkSites,
    title = "Private and Public on Social Network Sites",
    author = "Jingwei {Wu}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11197",
    url = "https://www.peterlang.com/document/1050777"
}