Lewis, T. (2021). Empire of the air: The men who made radio (Thirtieth Anniversary Paperback Edition.). Cornell University Press.
芝加哥风格引文Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Ithaca [New York]: Cornell University Press, 2021.
MLA引文Lewis, Tom. Empire of the Air: The Men Who Made Radio. Thirtieth Anniversary Paperback Edition. Cornell University Press, 2021.
警告：这些引文格式不一定是100％准确.