APA (7th ed.) Citation

Bulliet, R. W. (1998). The Columbia history of the 20th century. Columbia University Press.

Chicago Style (17th ed.) Citation

Bulliet, Richard W. The Columbia History of the 20th Century. New York: Columbia University Press, 1998.

MLA (9th ed.) Citation

Bulliet, Richard W. The Columbia History of the 20th Century. Columbia University Press, 1998.