APA (7th ed.) Citation
Penning, F. (1965). Electrical discharges in gases. [s.n.].
Chicago Style (17th ed.) Citation
Penning, F.M. Electrical Discharges in Gases. [s.l.]: [s.n.], 1965.
MLA (9th ed.) Citation
Penning, F.M. Electrical Discharges in Gases. [s.n.], 1965.
Warning: These citations may not always be 100% accurate.