APA (7th ed.) Citation

Karras, M., Pessa, V. M., & Aksela, S. (1968). On the image properties of an electrostatic cylindrical electron spectrometer.

Chicago Style (17th ed.) Citation

Karras, Matti, V. M. Pessa, and Seppo Aksela. On the Image Properties of an Electrostatic Cylindrical Electron Spectrometer. Helsinki, 1968.

MLA (9th ed.) Citation

Karras, Matti, et al. On the Image Properties of an Electrostatic Cylindrical Electron Spectrometer. 1968.