APA (7th ed.) Citation

Gessford, J. E. (1980). Modern information systems : designed for decision support: Designed for decision support. Addison-Wesley Pub. Co.

Chicago Style (17th ed.) Citation

Gessford, John Evans. Modern Information Systems : Designed for Decision Support: Designed for Decision Support. Reading, Mass: Addison-Wesley Pub. Co, 1980.

MLA (9th ed.) Citation

Gessford, John Evans. Modern Information Systems : Designed for Decision Support: Designed for Decision Support. Addison-Wesley Pub. Co, 1980.

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