APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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