APA (7th ed.) Citation

Wilson, M. (2004). Ruby: The Next Facet. C/C++ Users Journal, 22(7), 40.

Chicago Style (17th ed.) Citation

Wilson, Matthew. "Ruby: The Next Facet." C/C++ Users Journal 22, no. 7 (2004): 40.

MLA (9th ed.) Citation

Wilson, Matthew. "Ruby: The Next Facet." C/C++ Users Journal, vol. 22, no. 7, 2004, p. 40.