Citazione Stile APA (7a Edizione)

Girdwood, R., & By Heading , . R. C. . .. . . . a. (1979). Clinical pharmachology (24th ed.). Bailliere Tindall.

Citazione stile Chigago Style (17a edizione)

Girdwood, R.H, e R. C. ....[et al] By Heading. Clinical Pharmachology. 24th ed. London: Bailliere Tindall, 1979.

Citatione MLA (9a ed.)

Girdwood, R.H, e R. C. ....[et al] By Heading. Clinical Pharmachology. 24th ed. Bailliere Tindall, 1979.