APA Citation

Langer, W. L. (1949). An encyclopaedia of world history: Ancient medieval and modern, chronologically arranged. London: George & Harrap.

Chicago Style Citation

Langer, William Leonard. An Encyclopaedia of World History: Ancient Medieval and Modern, Chronologically Arranged. London: George & Harrap, 1949.

MLA Citation

Langer, William Leonard. An Encyclopaedia of World History: Ancient Medieval and Modern, Chronologically Arranged. London: George & Harrap, 1949.

Warning: These citations may not always be 100% accurate.