Cita APA (7a ed.)

Birnbaum, N., & Dreitzel, H. P. (1977). Beyond the crisis. Oxford University Press.

Cita Chicago Style (17a ed.)

Birnbaum, Norman, y Hans Peter Dreitzel. Beyond the Crisis. Londres ; New York: Oxford University Press, 1977.

Cita MLA (9a ed.)

Birnbaum, Norman, y Hans Peter Dreitzel. Beyond the Crisis. Oxford University Press, 1977.