@book { TheRomanticHeritageofMarxism,
    title = "The Romantic Heritage of Marxism",
    subtitle = "A Study of East German Love Poetry",
    author = "Boria {Sax}",
    year = "1987",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1078393"
}