APA (7th ed.) Citation

Mommsen, T., & Dickson, W. P. (1898). The history of Rome. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Mommsen, Theodore, and William Purdie Dickson. The History of Rome. New York: C. Scribner's sons, 1898.

MLA (9th ed.) Citation

Mommsen, Theodore, and William Purdie Dickson. The History of Rome. C. Scribner's sons, 1898.