APA (7th ed.) Citation

Lewis, T. (2021). Empire of the air: The men who made radio (Thirtieth Anniversary Paperback Edition.). Cornell University Press.

Chicago Style (17th ed.) Citation

Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Ithaca [New York]: Cornell University Press, 2021.

MLA (9th ed.) Citation

Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Cornell University Press, 2021.