APA (7th ed.) Citation

Ments, M. V., & Le Poole, J. (1947). Numerical computation of the constants of magnetic electron lenses. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Ments, M. V., and J.B Le Poole. Numerical Computation of the Constants of Magnetic Electron Lenses. Delft: Martinus Nijhoff, 1947.

MLA (9th ed.) Citation

Ments, M. V., and J.B Le Poole. Numerical Computation of the Constants of Magnetic Electron Lenses. Martinus Nijhoff, 1947.