Com & edited by Langer, W. L. (1972). An encyclopedia of world history: Ancient, medieval, and modern Chrnologically arranged. Houghton Mifflin.
Citación estilo ChicagoCom & edited by Langer, William L. An Encyclopedia of World History: Ancient, Medieval, and Modern Chrnologically Arranged. Boston: Houghton Mifflin, 1972.
Cita MLACom & edited by Langer, William L. An Encyclopedia of World History: Ancient, Medieval, and Modern Chrnologically Arranged. Houghton Mifflin, 1972.
Warning: These citations may not always be 100% accurate.