APA (7th ed.) Citation

Sitwell, S., Pevsner, N., & Ayscough, A. (1938). German baroque sculpture. Duckworth.

Chicago Style (17th ed.) Citation

Sitwell, Sacheverell, Nikolaus Pevsner, and Anthony Ayscough. German Baroque Sculpture. London: Duckworth, 1938.

MLA (9th ed.) Citation

Sitwell, Sacheverell, et al. German Baroque Sculpture. Duckworth, 1938.