Sierra O'Reilly, J. (2015). Manual escolar de historia general.
Chicago Style (17th ed.) CitationSierra O'Reilly, Justo. Manual Escolar De Historia General. 2015.
MLA (9th ed.) CitationSierra O'Reilly, Justo. Manual Escolar De Historia General. 2015.
Warning: These citations may not always be 100% accurate.