APA (7th ed.) Citation

Van der Meer, W., & Opitz, H. (1998). World guide to libraries (13th ed.). K.G. Saur.

Chicago Style (17th ed.) Citation

Van der Meer, Willemina, and Helmut Opitz. World Guide to Libraries. 13th ed. München: K.G. Saur, 1998.

MLA (9th ed.) Citation

Van der Meer, Willemina, and Helmut Opitz. World Guide to Libraries. 13th ed. K.G. Saur, 1998.

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