Pharmacist to the nation :
a history of Walgreen Co., America's leading drug store chain /
Herman Kogan and Rick Kogan.
APA Citation
Kogan, H., Kogan, R. (1989). Pharmacist to the nation: a history of Walgreen Co., America's leading drug store chain. Deerfield, IL: Walgreen Co..
MLA Citation
Kogan, Herman, and Rick Kogan. Pharmacist to the Nation: a History of Walgreen Co., America's Leading Drug Store Chain. Deerfield, IL: Walgreen Co., 1989.
Warning: These citations may not always be complete (especially for serials).