APA (7th ed.) Citation

Kennedy, J. F. (1961). Why England slept ([1961 ed.].). Wilfred Funk.

Chicago Style (17th ed.) Citation

Kennedy, John F. Why England Slept. [1961 ed.]. New York: Wilfred Funk, 1961.

MLA (9th ed.) Citation

Kennedy, John F. Why England Slept. [1961 ed.]. Wilfred Funk, 1961.