Cita APA (7a ed.)

Raffaello. (1906). The Masterpieces of Raphael. Gowans & Gray.

Cita Chicago Style (17a ed.)

Raffaello. The Masterpieces of Raphael. London [etc.]: Gowans & Gray, 1906.

Cita MLA (9a ed.)

Raffaello. The Masterpieces of Raphael. Gowans & Gray, 1906.