Duarte, L. M. (2015). "Russos além!": A conquista de Ceuta pelos portugueses em 1415 = "Grey hairs to the fore!" : the portuguese conquest of Ceuta in 1415.
Chicago Style (17th ed.) CitationDuarte, Luís Miguel. "Russos Além!": A Conquista De Ceuta Pelos Portugueses Em 1415 = "Grey Hairs to the Fore!" : The Portuguese Conquest of Ceuta in 1415. 2015.
MLA (8th ed.) CitationDuarte, Luís Miguel. "Russos Além!": A Conquista De Ceuta Pelos Portugueses Em 1415 = "Grey Hairs to the Fore!" : The Portuguese Conquest of Ceuta in 1415. 2015.
Warning: These citations may not always be 100% accurate.