Thank you for your message.
I suggest this citation:
Community Tool Box (Year, Month Date Published). Tools to change our world. Center for Community Health and Development. University of Kansas. Retrieved from: /en.
If you quote a specific Chapter or Section, you may add its indication:
Community Tool Box (Year, Month, Date Published). Tools to change our world. Chapter … , Section … . Center for Community Health and Development. University of Kansas. Retrieved from: /en.
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