@book { BlogsWikipediaSecondLifeandBeyond,
    title = "Blogs, Wikipedia, Second Life, and Beyond",
    subtitle = "From Production to Produsage",
    author = "Axel {Bruns}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1105725"
}