Cita APA (7a ed.)

Amaral, A. F. S., Knox-Brown, B., & Mulhern, O. (2021). Spirometry parameters used to define small airways obstruction in population-based studies: Systematic review protocol. BMJ Publishing Group.

Cita Chicago Style (17a ed.)

Amaral, Andre F S., Ben Knox-Brown, y Octavia Mulhern. Spirometry Parameters Used to Define Small Airways Obstruction in Population-based Studies: Systematic Review Protocol. BMJ Publishing Group, 2021.

Cita MLA (8a ed.)

Amaral, Andre F S., et al. Spirometry Parameters Used to Define Small Airways Obstruction in Population-based Studies: Systematic Review Protocol. BMJ Publishing Group, 2021.