Παραπομπή σε μορφή APA (7η εκδ.)

Krug, E. E., & McGuigan, H. A. 1. (1951). An introduction to materia medica and pharmacology (Sixth edition.). Editorial Mosby Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Krug, E. Elsie, και Hugh Alister. 1866–1943 McGuigan. An Introduction to Materia Medica and Pharmacology. Sixth edition. Chicago: Editorial Mosby Company, 1951.

Παραπομπή σε μορφή MLA (8th εκδ.)

Krug, E. Elsie, και Hugh Alister. 1866–1943 McGuigan. An Introduction to Materia Medica and Pharmacology. Sixth edition. Editorial Mosby Company, 1951.