APA (7th ed.) Citation

Coles, E. T. (1969). Adult education in developing countries. Pergamon Pr.

Chicago Style (17th ed.) Citation

Coles, Edwin T. Adult Education in Developing Countries. Braunschweig: Pergamon Pr, 1969.

MLA (9th ed.) Citation

Coles, Edwin T. Adult Education in Developing Countries. Pergamon Pr, 1969.