Cita APA (7a ed.)

Schaeffer, E. (1921). Sandro Botticelli. Julius Bard.

Cita Chicago Style (17a ed.)

Schaeffer, Emil. Sandro Botticelli. Berlin: Julius Bard, 1921.

Cita MLA (9a ed.)

Schaeffer, Emil. Sandro Botticelli. Julius Bard, 1921.