Com & edited by Langer, W. L. (1972). An encyclopedia of world history: Ancient, medieval, and modern Chrnologically arranged. Houghton Mifflin.
Citação norma ChicagoCom & edited by Langer, William L. An Encyclopedia of World History: Ancient, Medieval, and Modern Chrnologically Arranged. Boston: Houghton Mifflin, 1972.
Citação norma MLACom & edited by Langer, William L. An Encyclopedia of World History: Ancient, Medieval, and Modern Chrnologically Arranged. Houghton Mifflin, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.