citation needed

The phrase "citation needed" is widely recognized both in academic circles and internet culture to indicate that a claim requires verification.

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Definition

C1Academic Writing

(formal, technical)A note indicating that a statement requires a reference to a reliable source for verification.

Example

  • The researcher added 'citation needed' next to the claim about ancient civilizations.

B2Internet Culture

(informal, humorous, ironic)A phrase used to humorously or ironically point out that a statement is unsubstantiated or blatantly obvious.

Example

  • He posted a meme saying 'The sky is blue [citation needed]' to mock the obviousness of the statement.