APA استشهاد

Wedgwood, C. V. 1. (1957). The Thirty Years War. Harmondsworth, Middlesex: Penguin Books.

استشهاد بنمط شيكاغو

Wedgwood, C. V. 1910-1997. The Thirty Years War. Harmondsworth, Middlesex: Penguin Books, 1957.

MLA استشهاد

Wedgwood, C. V. 1910-1997. The Thirty Years War. Harmondsworth, Middlesex: Penguin Books, 1957.