Helmholtz, H. L. F. v., Elkana, Y., Cohen, R. S., & Lowe, M. F. (1977). Epistemological writings: The Paul Hertz/Moritz Schlick centenary edition of 1921 with notes and commentary by the editors. D. Reidel Publishing Company.
Citazione stile Chigago Style (17a edizione)Helmholtz, Hermann Ludwig Ferdinand von, Yehuda Elkana, Robert Sonné Cohen, e Malcolm F. Lowe. Epistemological Writings: The Paul Hertz/Moritz Schlick Centenary Edition of 1921 with Notes and Commentary by the Editors. Dordrecht ; Boston: D. Reidel Publishing Company, 1977.
Citatione MLA (9a ed.)Helmholtz, Hermann Ludwig Ferdinand von, et al. Epistemological Writings: The Paul Hertz/Moritz Schlick Centenary Edition of 1921 with Notes and Commentary by the Editors. D. Reidel Publishing Company, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.