APA (7th ed.) Zitazioa

Unesco. (1975). The conservation of cities. Croom Helm, Unesco.

Chicago Style (17th ed.) Zitazioa

Unesco. The Conservation of Cities. London, Paris: Croom Helm, Unesco, 1975.

MLA (9th ed.) Zitazioa

Unesco. The Conservation of Cities. Croom Helm, Unesco, 1975.