APA-viite (7. p.)
Boyd, S. R. (2010). Patriotic envelopes of the Civil War: The iconography of Union and Confederate covers. Louisiana State University Press.
Chicago-viite (17. p.)
Boyd, Steven R. Patriotic Envelopes of the Civil War: The Iconography of Union and Confederate Covers. Baton Rouge: Louisiana State University Press, 2010.
MLA-viite (9. p.)
Boyd, Steven R. Patriotic Envelopes of the Civil War: The Iconography of Union and Confederate Covers. Louisiana State University Press, 2010.
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