APA (7th ed.) Citation

Mommsen, T. The History of Rome, Book I The Period Anterior to the Abolition of the Monarchy.

Chicago Style (17th ed.) Citation

Mommsen, Theodor. The History of Rome, Book I The Period Anterior to the Abolition of the Monarchy.

MLA (9th ed.) Citation

Mommsen, Theodor. The History of Rome, Book I The Period Anterior to the Abolition of the Monarchy.

Warning: These citations may not always be 100% accurate.