APA (7th ed.) Citation

Unesco & Bellahsene, C. (1973). Practical guide to functional literacy: A method of training for development. [publisher not identified].

Chicago Style (17th ed.) Citation

Unesco and C. Bellahsene. Practical Guide to Functional Literacy: A Method of Training for Development. Paris: [publisher not identified], 1973.

MLA (9th ed.) Citation

Unesco and C. Bellahsene. Practical Guide to Functional Literacy: A Method of Training for Development. [publisher not identified], 1973.