221558
History Prior to switching to a News Talk format on May 10 , 2010 , AM 1340 WTRC briefly aired an oldies / Classic Rock format as " Hippie Radio 1340 " , and featured programing from Citadel Media and Dial Global .
 Citadel Media
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Citadel Media