APA

Walters F. P., . (1952). A history of the league of nations. London: Oxford University Press.

Chicago

Walters Francis Paul, . 1952. A history of the league of nations. London: Oxford University Press.

Harvard

Walters F. P., . (1952). A history of the league of nations. London: Oxford University Press.

MLA

Walters Francis Paul, . A history of the league of nations. London: Oxford University Press. 1952.