Παραπομπή σε μορφή APA (7η εκδ.)

Richardson, H. C. (1997). The greatest nation of the earth: Republican economic policies during the Civil War. Harvard University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Richardson, Heather Cox. The Greatest Nation of the Earth: Republican Economic Policies During the Civil War. Cambridge, Mass.: Harvard University Press, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Richardson, Heather Cox. The Greatest Nation of the Earth: Republican Economic Policies During the Civil War. Harvard University Press, 1997.