APA
Mellersh H. E. L., Williams N., .Chronology of World History. : .
Chicago
Mellersh H E L, Williams Neville, .Chronology of World History. : .
Harvard
Mellersh H. E. L., Williams N., .Chronology of World History. : .
MLA
Mellersh H E L, Williams Neville, .: . .
