APA (7th ed.) Citation

(1989). Posters for the 13th world festival of yoth and students. World Festival of Youthorea.

Chicago Style (17th ed.) Citation

Posters for the 13th World Festival of Yoth and Students. World Festival of Youthorea, 1989.

MLA (9th ed.) Citation

Posters for the 13th World Festival of Yoth and Students. World Festival of Youthorea, 1989.

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