@book { RegulatingSocialMedia,
    title = "Regulating Social Media",
    author = "Susan J. {Drucker} and Gary {Gumpert}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-0972-0",
    url = "https://www.peterlang.com/document/1109363"
}