APA (7th ed.) Citation

Posner, D. (1973). Watteau - "A lady at her toilet". / Donald Posner. Allen Lane.

Chicago Style (17th ed.) Citation

Posner, Donald. Watteau - "A Lady at Her Toilet". / Donald Posner. London: Allen Lane, 1973.

MLA (9th ed.) Citation

Posner, Donald. Watteau - "A Lady at Her Toilet". / Donald Posner. Allen Lane, 1973.

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