APA (7th ed.) Citation

Lees, B. A. (1917). The central period of the Middle Age, 918-1273 (4th ed.). Methuen.

Chicago Style (17th ed.) Citation

Lees, Beatrice A. The Central Period of the Middle Age, 918-1273. 4th ed. London: Methuen, 1917.

MLA (9th ed.) Citation

Lees, Beatrice A. The Central Period of the Middle Age, 918-1273. 4th ed. Methuen, 1917.

Warning: These citations may not always be 100% accurate.