@book { ThePresidentsLawFirm,
    title = "The President’s Law Firm",
    author = "Billy W. {Monroe}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b18011",
    url = "https://www.peterlang.com/document/1059385"
}