@book { WaldenIII,
    title = "Walden III",
    author = "Donald {McCrary}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b14775",
    url = "https://www.peterlang.com/document/1056974"
}