Παραπομπή σε μορφή APA (7η εκδ.)

Friedman, M. L. Space, time, and geometry: Einstein and logical empiricism / Michael L. Friedman. Einstein for the 21st century : his legacy in science, art, and modern culture.(2008).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Friedman, Michael L. "Space, Time, and Geometry: Einstein and Logical Empiricism / Michael L. Friedman." Einstein for the 21st Century : His Legacy in Science, Art, and Modern Culture.(2008) .

Παραπομπή σε μορφή MLA (8th εκδ.)

Friedman, Michael L. "Space, Time, and Geometry: Einstein and Logical Empiricism / Michael L. Friedman." Einstein for the 21st Century : His Legacy in Science, Art, and Modern Culture.(2008), .