Cita APA (7a ed.)

Huizinga, J. (1955). The Waning of the middle ages. Penguin.

Cita Chicago Style (17a ed.)

Huizinga, Johan. The Waning of the Middle Ages. Hardmondsworth: Penguin, 1955.

Cita MLA (9a ed.)

Huizinga, Johan. The Waning of the Middle Ages. Penguin, 1955.