APA (7th ed.) Citation

Allen, W. E. (1965). The British Isles in colour. B. T. Batsford.

Chicago Style (17th ed.) Citation

Allen, Walter Ernest. The British Isles in Colour. London: B. T. Batsford, 1965.

MLA (9th ed.) Citation

Allen, Walter Ernest. The British Isles in Colour. B. T. Batsford, 1965.