APA (7th ed.) Citation

Ricker, J., & Saywell, J. (1973). The world since 1945: The crisis of modern civilization. Clarke, Irwin.

Chicago Style (17th ed.) Citation

Ricker, John, and John Saywell. The World Since 1945: The Crisis of Modern Civilization. Toronto [u.a.]: Clarke, Irwin, 1973.

MLA (9th ed.) Citation

Ricker, John, and John Saywell. The World Since 1945: The Crisis of Modern Civilization. Clarke, Irwin, 1973.