Cita APA (7a ed.)

Phi Delta Kappa. Commission on Lifelong Learning & Overly, N. V. (1980). A Model for lifelong learning. Phi Delta Kappa.

Cita Chicago Style (17a ed.)

Phi Delta Kappa. Commission on Lifelong Learning y Norman V. Overly. A Model for Lifelong Learning. Bloomington, Ind.: Phi Delta Kappa, 1980.

Cita MLA (8a ed.)

Phi Delta Kappa. Commission on Lifelong Learning y Norman V. Overly. A Model for Lifelong Learning. Phi Delta Kappa, 1980.