APA-viite (7. p.)
Crowther-Heyck, H. (2015). Age of system: Understanding the development of modern social science. Johns Hopkins University Press.
Chicago-viite (17. p.)
Crowther-Heyck, Hunter. Age of System: Understanding the Development of Modern Social Science. Baltimore, Maryland: Johns Hopkins University Press, 2015.
MLA-viite (9. p.)
Crowther-Heyck, Hunter. Age of System: Understanding the Development of Modern Social Science. Johns Hopkins University Press, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.