MLA
Gelman, Ovsei, et al. "Information Systems and Systems Theory." Encyclopedia of Information Science and Technology, First Edition, edited by Mehdi Khosrow-Pour, D.B.A., IGI Global, 2005, pp. 1491-1496. https://doi.org/10.4018/978-1-59140-553-5.ch262
APA
Gelman, O., Mora, M., Forgionne, G., & Cervantes, F. (2005). Information Systems and Systems Theory. In M. Khosrow-Pour, D.B.A. (Ed.), Encyclopedia of Information Science and Technology, First Edition (pp. 1491-1496). IGI Global. https://doi.org/10.4018/978-1-59140-553-5.ch262
Chicago
Gelman, Ovsei, et al. "Information Systems and Systems Theory." In Encyclopedia of Information Science and Technology, First Edition, edited by Mehdi Khosrow-Pour, D.B.A., 1491-1496. Hershey, PA: IGI Global, 2005. https://doi.org/10.4018/978-1-59140-553-5.ch262
Export Reference
![Mendeley](https://coverimages.igi-global.com/images/mendeley.png)