APA (7th ed.) Citation

Mackenzie, R. (1880). The 19th century: A history. T. Nelson and sons.

Chicago Style (17th ed.) Citation

Mackenzie, Robert. The 19th Century: A History. London, New York: T. Nelson and sons, 1880.

MLA (8th ed.) Citation

Mackenzie, Robert. The 19th Century: A History. T. Nelson and sons, 1880.