APA (7th ed.) Citation

Ashcroft, T. (1922). An outline of modern imperialism. London: The Plebs League.

Chicago Style (17th ed.) Citation

Ashcroft, T. An Outline of Modern Imperialism. London: The Plebs League, 1922.

MLA (8th ed.) Citation

Ashcroft, T. An Outline of Modern Imperialism. London: The Plebs League, 1922.

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