Cita APA (7th ed.)

Held Julius Samuel & Posner, D. (1971). 17th and 18th century art. H. N. Abrams.

Cita Chicago (17th ed.)

Held Julius Samuel i Donald Posner. 17th and 18th Century Art. New York: H. N. Abrams, 1971.

Cita MLA (9th ed.)

Held Julius Samuel i Donald Posner. 17th and 18th Century Art. H. N. Abrams, 1971.