Cita APA (7a ed.)
Kahn, H., Brown, W., & Martel, L. (1976). The Next 200 Years: A Scenario for America and the World. William Morrow.
Cita estilo Chicago (17a ed.)
Kahn, Herman, William Brown, y Leon Martel. The Next 200 Years: A Scenario for America and the World. Nueva York, EUA: William Morrow, 1976.
Cita MLA (9a ed.)
Kahn, Herman, et al. The Next 200 Years: A Scenario for America and the World. William Morrow, 1976.
Precaución: Estas citas no son 100% exactas.