APA (7th ed.) Citation

Libraries, c. e. e. O. L. o. b. o. t. s. o. G. a. M. (2000). World directory of map collections (4ª ed.). K. G. Saur.

Chicago Style (17th ed.) Citation

Libraries, comp. e ed. Olivier Loiseaux on behalf of the section of Geography and Map. World Directory of Map Collections. 4ª ed. K. G. Saur, 2000.

MLA (8th ed.) Citation

Libraries, comp. e ed. Olivier Loiseaux on behalf of the section of Geography and Map. World Directory of Map Collections. 4ª ed. K. G. Saur, 2000.