APA (7th ed.) Citation

Kofoed-Hansen, O., Lindhard, J., & Nielsen, O. B. (1950). A new type of beta-ray spectrograph. Munksgaard.

Chicago Style (17th ed.) Citation

Kofoed-Hansen, Otto, Jens Lindhard, and O. B. Nielsen. A New Type of Beta-ray Spectrograph. København: Munksgaard, 1950.

MLA (9th ed.) Citation

Kofoed-Hansen, Otto, et al. A New Type of Beta-ray Spectrograph. Munksgaard, 1950.