APA (7th ed.) Citation

Arley, N. (1948). Cosmic radiation and negative protons (2. ed.). Munksgaard.

Chicago Style (17th ed.) Citation

Arley, Niels. Cosmic Radiation and Negative Protons. 2. ed. København: Munksgaard, 1948.

MLA (9th ed.) Citation

Arley, Niels. Cosmic Radiation and Negative Protons. 2. ed. Munksgaard, 1948.