Allude to (7)
'allude to' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cite that I've seen before include "Quote (an author)" , "Repeat a passage from some written work" , "Summons - quote" , "name" , "Use quotations" .)
(Other definitions for mention that I've seen before include "Cite; quote" , "state" , "Speak of - refer to" , "Briefly refer to (something)" , "Allude to" .)
(Other definitions for refer that I've seen before include "Allude (to something)" , "Pertain; assign" , "Draw attention" , "Direct elsewhere" , "Mention/allude (to)" .)