APA (7th ed.) Citation

Marr, G. V. (1967). Photoionization processes in gases. Academic Press.

Chicago Style (17th ed.) Citation

Marr, Geoffrey V. Photoionization Processes in Gases. New York, NY [u.a.]: Academic Press, 1967.

MLA (9th ed.) Citation

Marr, Geoffrey V. Photoionization Processes in Gases. Academic Press, 1967.