Cita APA

Penning, F. M. (1957). Electrical discharges in gases. Philips Technical Library.

Citación estilo Chicago

Penning, F. M. Electrical Discharges in Gases. La Haya: Philips Technical Library, 1957.

Cita MLA

Penning, F. M. Electrical Discharges in Gases. Philips Technical Library, 1957.

Warning: These citations may not always be 100% accurate.