APA   Click to copy
Hayes, J., & Dührkoop, B. (2021). Trial of a digital asthma management application: juli. Http://Isrctn.com/.

Chicago/Turabian   Click to copy
Hayes, Joseph, and Bettina Dührkoop. “Trial of a Digital Asthma Management Application: Juli.” http://isrctn.com/ (2021).

MLA   Click to copy
Hayes, Joseph, and Bettina Dührkoop. “Trial of a Digital Asthma Management Application: Juli.” Http://Isrctn.com/, 2021.

@article{joseph2021a,
  title = {Trial of a digital asthma management application: juli},
  year = {2021},
  journal = {http://isrctn.com/},
  author = {Hayes, Joseph and Dührkoop, Bettina}
}