APA (7th ed.) Citation

Unesco. (1955). The teaching of modern languages. [publisher not identified].

Chicago Style (17th ed.) Citation

Unesco. The Teaching of Modern Languages. [Paris]: [publisher not identified], 1955.

MLA (9th ed.) Citation

Unesco. The Teaching of Modern Languages. [publisher not identified], 1955.

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