An introduction to materia medica and pharmacology,
by Hugh Alister McGuigan and Robert Alister McGuigan with Elsie E. Krug.

APA Citation

McGuigan, H., Brodie, E. P. (Edith Pauline)., Krug, E. E., McGuigan, R. Alister. (1940). An introduction to materia medica and pharmacology. 2d ed. St. Louis: Mosby.

MLA Citation

McGuigan, Hugh, 1874-, Edith P. (Edith Pauline) Brodie, Elsie E Krug, and Robert Alister McGuigan. An Introduction to Materia Medica And Pharmacology. 2d ed. St. Louis: Mosby, 1940.

Warning: These citations may not always be complete (especially for serials).