Citazione Stile APA (7a Edizione)

Drucker, P. F. (1969). The age of discontinuity: Guidelines to our changing society. Harper and Row.

Citazione stile Chigago Style (17a edizione)

Drucker, Peter Ferdinand. The Age of Discontinuity: Guidelines to Our Changing Society. Nueva York: Harper and Row, 1969.

Citatione MLA (9a ed.)

Drucker, Peter Ferdinand. The Age of Discontinuity: Guidelines to Our Changing Society. Harper and Row, 1969.