APA (7th ed.) Citation

De Petro, T. G. (2000). ScienceDirect: Elsevier Science's megasource. EContent, 23(6), 56.

Chicago Style (17th ed.) Citation

De Petro, Thomas G. "ScienceDirect: Elsevier Science's Megasource." EContent 23, no. 6 (2000): 56.

MLA (9th ed.) Citation

De Petro, Thomas G. "ScienceDirect: Elsevier Science's Megasource." EContent, vol. 23, no. 6, 2000, p. 56.

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