Cita APA (7a ed.)

Ellis, R., & Whittington, D. (1994). Quality assurance in health care: A handbook. Arnold.

Cita Chicago Style (17a ed.)

Ellis, Roger, y Dorothy Whittington. Quality Assurance in Health Care: A Handbook. London [etc.]: Arnold, 1994.

Cita MLA (9a ed.)

Ellis, Roger, y Dorothy Whittington. Quality Assurance in Health Care: A Handbook. Arnold, 1994.