Cita APA (7th ed.)

van Staa, T., Leufkens, B., & Cooper, C. (2002). Bone loss and inhaled glucocorticoids.

Cita Chicago (17th ed.)

van Staa, T., B. Leufkens, i C. Cooper. Bone Loss and Inhaled Glucocorticoids. 2002.

Cita MLA (9th ed.)

van Staa, T., et al. Bone Loss and Inhaled Glucocorticoids. 2002.