APA (7th ed.) Citation

International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, Wolter, J. A., Grim, R. E., & Carrington, D. K. (1986). World directory of map collections (2nd ed.). K.G. Saur.

Chicago Style (17th ed.) Citation

International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, John Amadeus Wolter, Ronald E. Grim, and David K. Carrington. World Directory of Map Collections. 2nd ed. Munchen ; New York: K.G. Saur, 1986.

MLA (9th ed.) Citation

International Federation of Library Associations and Institutions. Section of Geography and Map Libraries, et al. World Directory of Map Collections. 2nd ed. K.G. Saur, 1986.