APA (7th ed.) Citation

Unesco, Sered, I., & Keren, C. (1983). International inventory of software packages in the information field. General Information Programme and UNISIST, Unesco.

Chicago Style (17th ed.) Citation

Unesco, Irina Sered, and C. Keren. International Inventory of Software Packages in the Information Field. Paris: General Information Programme and UNISIST, Unesco, 1983.

MLA (9th ed.) Citation

Unesco, et al. International Inventory of Software Packages in the Information Field. General Information Programme and UNISIST, Unesco, 1983.