APA (7th ed.) Citation

Pennell, R. F. (2004). Ancient Rome: From the earliest times down to 476 A. D. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pennell, Robert F. Ancient Rome: From the Earliest Times Down to 476 A. D. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Pennell, Robert F. Ancient Rome: From the Earliest Times Down to 476 A. D. Project Gutenberg, 2004.

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