Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Socionics:

This text is part of the article's lead section, so referencing it may be optional. Please see WP:CITELEAD for more information.

"

In psychology and sociology, socionics is a pseudoscientific[11] theory of information processing and personality types. It incorporates Carl Jung's work on Psychological Types with Antoni Kępiński's theory of information metabolism.[citation needed]