Citazione Stile APA (7a Edizione)

Hardy, E. G. (1909). Studies in Roman history (2nd series / by E. G. Hardy.). S. Sonnenschein & Co.

Citazione stile Chigago Style (17a edizione)

Hardy, Ernest George. Studies in Roman History. 2nd series / by E. G. Hardy. London: S. Sonnenschein & Co, 1909.

Citatione MLA (9a ed.)

Hardy, Ernest George. Studies in Roman History. 2nd series / by E. G. Hardy. S. Sonnenschein & Co, 1909.