APA (7th ed.) Citation

Cravotta, R. (2004). 2004 DSP Directory. EDN, 49(9), 49.

Chicago Style (17th ed.) Citation

Cravotta, Robert. "2004 DSP Directory." EDN 49, no. 9 (2004): 49.

MLA (9th ed.) Citation

Cravotta, Robert. "2004 DSP Directory." EDN, vol. 49, no. 9, 2004, p. 49.