Dev, A., & Dev, A. (2009). History of the world: From the late nineteenth to the early twenty-first century. Orient Blackswan.
Chicago Style (17th ed.) CitationDev, Arjun, and Arjun;Dev Dev. History of the World: From the Late Nineteenth to the Early Twenty-first Century. Orient Blackswan, 2009.
MLA (9th ed.) CitationDev, Arjun, and Arjun;Dev Dev. History of the World: From the Late Nineteenth to the Early Twenty-first Century. Orient Blackswan, 2009.
Warning: These citations may not always be 100% accurate.