Παραπομπή σε μορφή APA (7η εκδ.)

Clay, C. M., & Greeley, H. (1848). The writings of Cassius Marcellus Clay: Including speeches and addresses. Harper.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clay, Cassius Marcellus, και Horace Greeley. The Writings of Cassius Marcellus Clay: Including Speeches and Addresses. New York: Harper, 1848.

Παραπομπή σε μορφή MLA (8th εκδ.)

Clay, Cassius Marcellus, και Horace Greeley. The Writings of Cassius Marcellus Clay: Including Speeches and Addresses. Harper, 1848.