How do you Harvard reference CREST guidelines on the management of cellulitis in adults?

To reference the CREST guidelines on the management of cellulitis in adults in Harvard style, you would format it as follows: CREST (2020) Guidelines for the management of cellulitis in adults. London: CREST. Ensure you include the retrieval date if accessed online, e.g., Available at: [URL] (Accessed: Day Month Year). Adjust the year and details according to the specific publication you are referencing.