Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Drucker, Peter Ferdinand. The Age of Discontinuity: Guidelines to Our Changing Society. 1st published, repr. London: Heinemann, 1969.

Cita MLA (9a ed.)

Drucker, Peter Ferdinand. The Age of Discontinuity: Guidelines to Our Changing Society. 1st published, repr. Heinemann, 1969.