APA (7th ed.) Citation

Long, R., Seymour, A., & Cork, R. (1991). Richard Long : walking in circles: Walking in circles. Thames & Hudson.

Chicago Style (17th ed.) Citation

Long, Richard, Anne Seymour, and Richard Cork. Richard Long : Walking in Circles: Walking in Circles. London: Thames & Hudson, 1991.

MLA (9th ed.) Citation

Long, Richard, et al. Richard Long : Walking in Circles: Walking in Circles. Thames & Hudson, 1991.

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