The only reason to cite a source is to give proper credit to the original source.
While you must cite a source in order to give credit where it is due, citing also informs your readers about where they can go to follow up for more information.

Question

Quizplus · Accepted Answer

Citing a source serves multiple purposes, including giving proper credit to the original source, informing readers about where to find more information, and establishing the credibility of your own work by demonstrating you have conducted thorough research.

The Only Reason to Cite a Source Is to Give