Cita APA (7a ed.)

Collins, R. D. (2008). Differential diagnosis in primary care (Fourth edition.). Lippincott Williams & Wilkins.

Cita Chicago Style (17a ed.)

Collins, R. Douglas. Differential Diagnosis in Primary Care. Fourth edition. Philadelphia: Lippincott Williams & Wilkins, 2008.

Cita MLA (9a ed.)

Collins, R. Douglas. Differential Diagnosis in Primary Care. Fourth edition. Lippincott Williams & Wilkins, 2008.