APA (7th ed.) Citation

Mader, C. (1979). Information systems (2d ed.). Science Research Associates.

Chicago Style (17th ed.) Citation

Mader, Chris. Information Systems. 2d ed. Palo Alto, Ca: Science Research Associates, 1979.

MLA (9th ed.) Citation

Mader, Chris. Information Systems. 2d ed. Science Research Associates, 1979.