APA (7th ed.) Citation

Forty, S., & Forty, J. (2021). Limits of empire: Rome's borders. Casemate Publishers.

Chicago Style (17th ed.) Citation

Forty, Simon, and Jonathan Forty. Limits of Empire: Rome's Borders. Havertown, Pennsylvania: Casemate Publishers, 2021.

MLA (9th ed.) Citation

Forty, Simon, and Jonathan Forty. Limits of Empire: Rome's Borders. Casemate Publishers, 2021.

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