Citazione APA

Bull, G. T., Michelangelo Buonarroti; Author, & Porter, P. T. (1987). Life, letters and poetry.

Stile di citazione Chicago

Bull, George; Tr, Michelangelo Buonarroti; Author, e Peter; Tr Porter. Life, Letters and Poetry. Oxford, OUP, 1987.

Citazione MLA

Bull, George; Tr, et al. Life, Letters and Poetry. 1987.