APA (7th ed.) Citation

Helmholtz, H. v., Elkana, Y., Lowe, M. F., Cohen, R. S., Hertz, P., & Schlick, M. (1977). Epistemological writings. D. Reidel.

Chicago Style (17th ed.) Citation

Helmholtz, Hermann von, Yehuda Elkana, Malcolm F. Lowe, R. S. Cohen, Paul Hertz, and Moritz Schlick. Epistemological Writings. Dordrecht: D. Reidel, 1977.

MLA (8th ed.) Citation

Helmholtz, Hermann von, et al. Epistemological Writings. D. Reidel, 1977.