Cita APA (7th ed.)

Hansen, R. D. (1979). Beyond the North-South stalemate. McGraw-Hill Book Co..

Cita Chicago (17th ed.)

Hansen, Roger D. Beyond the North-South Stalemate. New York: McGraw-Hill Book Co., 1979.

Cita MLA (9th ed.)

Hansen, Roger D. Beyond the North-South Stalemate. McGraw-Hill Book Co., 1979.