The next 200 years : a scenario for America and the world

MLA

Kahn, Herman, William Morle Brown, and Leon Martel. The Next 200 Years : a Scenario for America and the World. New York: Morrow, 1976.

APA

Kahn, H., Brown, W. Morle, & Martel, L. (1976). The next 200 years : a scenario for America and the world. New York: Morrow.

Chicago

Kahn, Herman, William Morle Brown, and Leon Martel. The Next 200 Years: A Scenario for America and the World. New York: Morrow, 1976.