Cita APA (7th ed.)

Couillard, S., Jackson, D., Wechsler, M., & Pavord, I. (2021). How I do it: Workup of severe asthma. Elsevier.

Cita Chicago (17th ed.)

Couillard, S., DJ Jackson, ME Wechsler, i ID Pavord. How I Do It: Workup of Severe Asthma. Elsevier, 2021.

Cita MLA (9th ed.)

Couillard, S., et al. How I Do It: Workup of Severe Asthma. Elsevier, 2021.