APA (7th ed.) Citation

(1991). Richard Long: Walking in circles ; Hayward Gallery, London, 14.6.-11.8.1991. Thames and Hudson.

Chicago Style (17th ed.) Citation

Richard Long: Walking in Circles ; Hayward Gallery, London, 14.6.-11.8.1991. London: Thames and Hudson, 1991.

MLA (9th ed.) Citation

Richard Long: Walking in Circles ; Hayward Gallery, London, 14.6.-11.8.1991. Thames and Hudson, 1991.

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