APA (7. basım) Alıntı
Langer, W. L. (1952). An encyclopedia of world history: Ancient, medieval and modern, chronologically arranged. Houghton Mifflin Co..
Chicago Style (17. basım) Atıf
Langer, William L. An Encyclopedia of World History: Ancient, Medieval and Modern, Chronologically Arranged. Boston: Houghton Mifflin Co., 1952.
MLA (9th ed.) Atıf
Langer, William L. An Encyclopedia of World History: Ancient, Medieval and Modern, Chronologically Arranged. Houghton Mifflin Co., 1952.
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