Cita APA

Robin, G., & Keith Roberts. (1972). British portrait painters. Encyclopaedia Britannia.

Citación estilo Chicago

Robin, Gibson, and Keith Roberts. British Portrait Painters. London: Encyclopaedia Britannia, 1972.

Cita MLA

Robin, Gibson, and Keith Roberts. British Portrait Painters. Encyclopaedia Britannia, 1972.

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