APA (7th ed.) Citation

Calvocoressi, P. (1977). World politics since 1945. Longman.

Chicago Style (17th ed.) Citation

Calvocoressi, Peter. World Politics Since 1945. London: Longman, 1977.

MLA (9th ed.) Citation

Calvocoressi, Peter. World Politics Since 1945. Longman, 1977.