Cita APA (7a ed.)

Osman, L. (2002). Psychological factors in asthma control and attack risk.

Cita Chicago Style (17a ed.)

Osman, L. Psychological Factors in Asthma Control and Attack Risk. 2002.

Cita MLA (9a ed.)

Osman, L. Psychological Factors in Asthma Control and Attack Risk. 2002.