APA استشهاد

Stewart Richards. Philosophy and sociology of science: An introduction (2nd ed.). Basil Blackwell.

استشهاد بنمط شيكاغو

Stewart Richards. Philosophy and Sociology of Science: An Introduction. 2nd ed. Oxford: Basil Blackwell.

MLA استشهاد

Stewart Richards. Philosophy and Sociology of Science: An Introduction. 2nd ed. Basil Blackwell.