@book { RussianEnglishCodeswitchinginNewYorkCity,
    title = "Russian-English Code-switching in New York City",
    author = "Esma {Gregor}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095650"
}