APA (7th ed.) Citation

Whewell, W. (1989). Theory of scientific method (Repr. with revisions of the 1968 ed.). Hackett.

Chicago Style (17th ed.) Citation

Whewell, William. Theory of Scientific Method. Repr. with revisions of the 1968 ed. Indianapolis, Ind. [u.a.]: Hackett, 1989.

MLA (9th ed.) Citation

Whewell, William. Theory of Scientific Method. Repr. with revisions of the 1968 ed. Hackett, 1989.