Cita APA (7th ed.)
Callen, A. (1982). Techniques of the impressionists. Orbis.
Cita Chicago (17th ed.)
Callen, Anthea. Techniques of the Impressionists. London: Orbis, 1982.
Cita MLA (9th ed.)
Callen, Anthea. Techniques of the Impressionists. Orbis, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.