Gaya APA

Palmer, A., Swanson, C, P. (1962). A dictionary of modern history 1789-1945 . Harmondsworth: Harmondsworth: Penguin Books; 1962.

Gaya MLA

Palmer, A.W.., Swanson, Carl, P.. "A dictionary of modern history 1789-1945". Harmondsworth: Harmondsworth: Penguin Books; 1962, 1962. Text.