Cita APA (7a ed.)

Wedgwood, C. V. (1974). Richelieu and the French monarchy. Penguin Books.

Cita Chicago Style (17a ed.)

Wedgwood, C. V. Richelieu and the French Monarchy. Harmondsworth [etc.]: Penguin Books, 1974.

Cita MLA (9a ed.)

Wedgwood, C. V. Richelieu and the French Monarchy. Penguin Books, 1974.