APA (7th ed.) Citation

Helm, P. J. (1975). Exploring Roman Britain. Hale.

Chicago Style (17th ed.) Citation

Helm, P. J. Exploring Roman Britain. London: Hale, 1975.

MLA (9th ed.) Citation

Helm, P. J. Exploring Roman Britain. Hale, 1975.

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