APA (7th ed.) Citation

Robertson, A. S., Scott, M., & Keppie, L. J. F. (1975). Bar Hill: A Roman fort and its finds. British Archaeological Reports.

Chicago Style (17th ed.) Citation

Robertson, Anne S., Margaret Scott, and L. J. F. Keppie. Bar Hill: A Roman Fort and Its Finds. Oxford, England: British Archaeological Reports, 1975.

MLA (9th ed.) Citation

Robertson, Anne S., et al. Bar Hill: A Roman Fort and Its Finds. British Archaeological Reports, 1975.