APA (7th ed.) Citation

Lengenfelder, H. (1983). World guide to special libraries =: Internationales Handbuch der Spezialbibliotheken. K.G. Saur.

Chicago Style (17th ed.) Citation

Lengenfelder, Helga. World Guide to Special Libraries =: Internationales Handbuch Der Spezialbibliotheken. München: K.G. Saur, 1983.

MLA (8th ed.) Citation

Lengenfelder, Helga. World Guide to Special Libraries =: Internationales Handbuch Der Spezialbibliotheken. K.G. Saur, 1983.

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