Cita APA (7a ed.)

Colodny, R. G., & Hempel, C. G. (1962). Frontiers of science and philosophy. University of Pittsburgh Press.

Cita Chicago Style (17a ed.)

Colodny, Robert Garland, y Carl Gustav Hempel. Frontiers of Science and Philosophy. Pittsburgh: University of Pittsburgh Press, 1962.

Cita MLA (9a ed.)

Colodny, Robert Garland, y Carl Gustav Hempel. Frontiers of Science and Philosophy. University of Pittsburgh Press, 1962.