APA-viite (7. p.)
Piest, O. (1947). The American heritage: A series to show the development of American Thought and the shaping of the American tradition. Hafner.
Chicago-viite (17. p.)
Piest, Oskar. The American Heritage: A Series to Show the Development of American Thought and the Shaping of the American Tradition. New York: Hafner, 1947.
MLA-viite (9. p.)
Piest, Oskar. The American Heritage: A Series to Show the Development of American Thought and the Shaping of the American Tradition. Hafner, 1947.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.