APA (7th ed.) Citation

Lengenfelder, H. /. M. M. (1983). World guide to special libraries. ˜deœ Gruyter Saur.

Chicago Style (17th ed.) Citation

Lengenfelder, Helga / Mitwirkender Mitwirkender. World Guide to Special Libraries. Berlin ; Boston: ˜deœ Gruyter Saur, 1983.

MLA (8th ed.) Citation

Lengenfelder, Helga / Mitwirkender Mitwirkender. World Guide to Special Libraries. ˜deœ Gruyter Saur, 1983.