Cita APA (7a ed.)

Gelpi, E., & Bélanger, P. (1995). Lifelong education. Kluwer Academic.

Cita Chicago Style (17a ed.)

Gelpi, Ettore, y Paul Bélanger. Lifelong Education. Dordrecht [etc.]: Kluwer Academic, 1995.

Cita MLA (9a ed.)

Gelpi, Ettore, y Paul Bélanger. Lifelong Education. Kluwer Academic, 1995.