@book { CaseStudiesofNonprofitOrganizationsandVolunteers,
    title = "Case Studies of Nonprofit Organizations and Volunteers",
    author = "Jennifer {Mize Smith} and Michael W. {Kramer}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-1483-0",
    url = "https://www.peterlang.com/document/1118281"
}