Citazione APA

Langer, W. L. (1975). New illustrated encyclopaedia of world history, Vol.2. Harry N Abrams Inc. Publishers.

Stile di citazione Chicago

Langer, William L. New Illustrated Encyclopaedia of World History, Vol.2. New York: Harry N Abrams Inc. Publishers, 1975.

Citazione MLA

Langer, William L. New Illustrated Encyclopaedia of World History, Vol.2. Harry N Abrams Inc. Publishers, 1975.