APA (7th ed.) Citation

(1989). World guide to libraries. K.G. Saur.

Chicago Style (17th ed.) Citation

World Guide to Libraries. München [etc.]: K.G. Saur, 1989.

MLA (9th ed.) Citation

World Guide to Libraries. K.G. Saur, 1989.

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