Cita APA (7th ed.)

Katz,Robert, & Dars,Celestine. (1994). The Impressionists. Colour Library Direct.

Cita Chicago (17th ed.)

Katz,Robert, i Dars,Celestine. The Impressionists. Surrey: Colour Library Direct, 1994.

Cita MLA (9th ed.)

Katz,Robert, i Dars,Celestine. The Impressionists. Colour Library Direct, 1994.