Cita APA (7a ed.)

Mayer, A. L. (1940). Velázquez .. French Lib. of fine arts.

Cita Chicago Style (17a ed.)

Mayer, August Liebmann. Velázquez .. Paris: French Lib. of fine arts, 1940.

Cita MLA (9a ed.)

Mayer, August Liebmann. Velázquez .. French Lib. of fine arts, 1940.