APA Citation

Gibson, R., & Roberts, K. (1971). British portrait painters. London: Phaidon.

Chicago Style Citation

Gibson, Robin., and Keith Roberts. British Portrait Painters. London: Phaidon, 1971.

MLA Citation

Gibson, Robin., and Keith Roberts. British Portrait Painters. London: Phaidon, 1971.

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