APA (7th ed.) Citation

Rubens, P. P. (1971). The letters of Peter Paul Rubens. Harvard University Press.

Chicago Style (17th ed.) Citation

Rubens, Peter Paul. The Letters of Peter Paul Rubens. Cambridge, Mass: Harvard University Press, 1971.

MLA (9th ed.) Citation

Rubens, Peter Paul. The Letters of Peter Paul Rubens. Harvard University Press, 1971.

Warning: These citations may not always be 100% accurate.