Cita APA (7a ed.)

Drucker, P. F. (1969). The age of discontinuity: Guidelines to our changing society (1. Aufl.). Heinemann.

Cita Chicago Style (17a ed.)

Drucker, Peter F. The Age of Discontinuity: Guidelines to Our Changing Society. 1. Aufl. London: Heinemann, 1969.

Cita MLA (8a ed.)

Drucker, Peter F. The Age of Discontinuity: Guidelines to Our Changing Society. 1. Aufl. Heinemann, 1969.