Cita APA (7a ed.)

(1973). The methodological unity of science. D. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

The Methodological Unity of Science. Dordrecht ; Boston: D. Reidel Publishing Company, 1973.

Cita MLA (9a ed.)

The Methodological Unity of Science. D. Reidel Publishing Company, 1973.