APA-Zitierstil (7. Ausg.)

Buchanan, S. M. (1991). The doctrine of signatures: A defense of theory in medicine (2. ed.). Univ. of Illinois Press.

Chicago-Zitierstil (17. Ausg.)

Buchanan, Scott Milross. The Doctrine of Signatures: A Defense of Theory in Medicine. 2. ed. Urbana u.a: Univ. of Illinois Press, 1991.

MLA-Zitierstil (9. Ausg.)

Buchanan, Scott Milross. The Doctrine of Signatures: A Defense of Theory in Medicine. 2. ed. Univ. of Illinois Press, 1991.