Cita APA (7th ed.)

Crofton, J., Horne, N., & Miller, F. (1999). Clinical tuberculosis.

Cita Chicago (17th ed.)

Crofton, John, Norman Horne, i Fred Miller. Clinical Tuberculosis. 1999.

Cita MLA (9th ed.)

Crofton, John, et al. Clinical Tuberculosis. 1999.