Cita APA (7a ed.)

Stradling, J., Davies, R., Mullins, R., & Jenkinson, C. (1999). Obstructive sleep apnoea - Reply.

Cita Chicago Style (17a ed.)

Stradling, JR, R. Davies, R. Mullins, y C. Jenkinson. Obstructive Sleep Apnoea - Reply. 1999.

Cita MLA (9a ed.)

Stradling, JR, et al. Obstructive Sleep Apnoea - Reply. 1999.