APA (7th ed.) Citation

Gabba, E., Millar, F., Snodgrass, A., & Crawford, M. H. (1983). Sources for Ancient History. University Press.

Chicago Style (17th ed.) Citation

Gabba, Emilio, Fergus Millar, Anthony Snodgrass, and Michael H. Crawford. Sources for Ancient History. Cambridge [etc.]: University Press, 1983.

MLA (9th ed.) Citation

Gabba, Emilio, et al. Sources for Ancient History. University Press, 1983.