Author, A. (year). Title [Description]. Publisher. https://xxxx
Organization. (year). Title [Description]. Publisher. https://xxxx
European Space Agency. (2019). Space economy Creating value for Europe [Broschure]. https://space-economy.esa.int/storage/downloads/WfOXRmxW6NHPInigMuqs0tkylB8SloL1rMwFpvrR.pdf
Comment: In this case, the publisher is the same as the author and can therefore be omitted.