APA (7th ed.) Citation

Leighton, R. (1879). A History of Rome. Clark and Maynard.

Chicago Style (17th ed.) Citation

Leighton, R.F. A History of Rome. New York: Clark and Maynard, 1879.

MLA (9th ed.) Citation

Leighton, R.F. A History of Rome. Clark and Maynard, 1879.