APA (7th ed.) Citation

Physician's Collection Association. (1888). The Medical and surgical directory of Cook County, Illinois, 1888-89. Physician's Collection Association.

Chicago Style (17th ed.) Citation

Physician's Collection Association. The Medical and Surgical Directory of Cook County, Illinois, 1888-89. Chicago: Physician's Collection Association, 1888.

MLA (8th ed.) Citation

Physician's Collection Association. The Medical and Surgical Directory of Cook County, Illinois, 1888-89. Physician's Collection Association, 1888.