APA (7th ed.) Citation
Miller, R. (2005). Nitro PDF Professional 4.8. EContent, 28(9), 18-21.
Chicago Style (17th ed.) Citation
Miller, Ron. "Nitro PDF Professional 4.8." EContent 28, no. 9 (2005): 18-21.
MLA (9th ed.) Citation
Miller, Ron. "Nitro PDF Professional 4.8." EContent, vol. 28, no. 9, 2005, pp. 18-21.
Warning: These citations may not always be 100% accurate.