APA Style

Collins, R. Douglas. (1987). Differential Diagnosis in Primary Care , Second Edition (2nd). Philadelphia: JB Lippincott.

Chicago Style

Collins, R. Douglas. Differential Diagnosis in Primary Care , Second Edition. 2nd Philadelphia: JB Lippincott, 1987. Text.

MLA Style

Collins, R. Douglas. Differential Diagnosis in Primary Care , Second Edition. 2nd Philadelphia: JB Lippincott, 1987. Text.

Turabian Style

Collins, R. Douglas. Differential Diagnosis in Primary Care , Second Edition. 2nd Philadelphia: JB Lippincott, 1987. Print.