APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Marr, Geoffrey V. Photoionization Processes in Gases / Geoffrey V. Marr. New York: Academic Press, 1967.

MLA (9th ed.) Citation

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

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