Cita APA (7a ed.)

Callen, A. (1982). Techniques of the impressionists. Orbis.

Cita Chicago Style (17a ed.)

Callen, Anthea. Techniques of the Impressionists. London: Orbis, 1982.

Cita MLA (8a ed.)

Callen, Anthea. Techniques of the Impressionists. Orbis, 1982.