Cita APA (7th ed.)

Halberstam, D. (1991). The next century. William Morrow and Company, Inc.

Cita Chicago (17th ed.)

Halberstam, David. The Next Century. New York: William Morrow and Company, Inc, 1991.

Cita MLA (9th ed.)

Halberstam, David. The Next Century. William Morrow and Company, Inc, 1991.