Cite brochures and pamphlets similar to how you would cite something with no clear author.
Reference List Format:
Number. Title. Brief description. Sponsor/organization that produced brochure/pamphlet. Created date (if provided). Accessed Month Day, Year. URL (if applicable)
7. Healthy eating and drinking: a nutritional guide. Patient brochure. Fairview Health Services. Accessed July 29, 2020. https://www.fairviewhealthservices.org.assets/pdf/healthy-eating-drinking-nutrition-guide.pdf