APA (7th ed.) Citation

Wilson, D., & Wilson, E. (1940). Federation and world order. T. Nelson.

Chicago Style (17th ed.) Citation

Wilson, Duncan, and Elizabeth Wilson. Federation and World Order. London, New York: T. Nelson, 1940.

MLA (9th ed.) Citation

Wilson, Duncan, and Elizabeth Wilson. Federation and World Order. T. Nelson, 1940.

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