Citazione Stile APA (7a Edizione)

Emerson Jr., E., & Gervinus, G. G. (1902). A History of the Nineteenth Century: Year by year. Collier.

Citazione stile Chigago Style (17a edizione)

Emerson Jr., Edwin, e Georg Gottfried Gervinus. A History of the Nineteenth Century: Year by Year. New York: Collier, 1902.

Citatione MLA (8a ed.)

Emerson Jr., Edwin, e Georg Gottfried Gervinus. A History of the Nineteenth Century: Year by Year. Collier, 1902.