APA (7th ed.) Citation

Emerson, E., Gervinus, G. G., & Magnus, M. (1901). A history of the nineteenth century: Year by year. P.F. Collier and Son.

Chicago Style (17th ed.) Citation

Emerson, Edwin, Georg Gottfried Gervinus, and Maurice Magnus. A History of the Nineteenth Century: Year by Year. New York: P.F. Collier and Son, 1901.

MLA (9th ed.) Citation

Emerson, Edwin, et al. A History of the Nineteenth Century: Year by Year. P.F. Collier and Son, 1901.