APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Emerson, Edwin, et al. A History of the Nineteenth Century, Year by Year. P. E. Collier, 1901.