APA (7th ed.) Citation

Cropley, A. J. (1980). Towards a system of lifelong education: Some practical considerations. Unesco Institute for Education Pergamon Press.

Chicago Style (17th ed.) Citation

Cropley, A. J. Towards a System of Lifelong Education: Some Practical Considerations. Hamburg, New York: Unesco Institute for Education Pergamon Press, 1980.

MLA (9th ed.) Citation

Cropley, A. J. Towards a System of Lifelong Education: Some Practical Considerations. Unesco Institute for Education Pergamon Press, 1980.