Lua APA (7ú heag.)
Carroll, P. N., & Noble, D. W. (1988). The free and the unfree: A new history of the United States (2nd ed.). Penguin.
Lua i Stíl Chicago (17ú heag.)
Carroll, Peter N., agus David W. Noble. The Free and the Unfree: A New History of the United States. 2nd ed. New York: Penguin, 1988.
Lua MLA (9ú heag.)
Carroll, Peter N., agus David W. Noble. The Free and the Unfree: A New History of the United States. 2nd ed. Penguin, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.