APA (7th ed.) Citation

Barker, R., & Escarpit, R. (1973). The book hunger. UNESCO.

Chicago Style (17th ed.) Citation

Barker, Ronald, and Robert Escarpit. The Book Hunger. Paris: UNESCO, 1973.

MLA (9th ed.) Citation

Barker, Ronald, and Robert Escarpit. The Book Hunger. UNESCO, 1973.

Warning: These citations may not always be 100% accurate.