Thank you for writing to us. A suggested format for citing Community Tool Box material in this case would be:
Community Toolbox (n.d.). Chapter 4, Section 2, Communicating information about community health and development issues. Retrieved from , [insert date of your retrieval]
(FYI, the “n.d.” above indicates that no date of publication was cited in the original source.)
Additional style format guidance is given in the APA Publication Manual. Best wishes as your studies continue.