APA (7th ed.) Citation

Piano, M. E. F., Knox, P. C., & O’connor, A. (2009, August). Grapheme-colour synaesthesia and the orthoptist. British and Irish Orthoptic Journal.

Chicago Style (17th ed.) Citation

Piano, Marianne E. F., Paul C. Knox, and Anna O’connor. "Grapheme-colour Synaesthesia and the Orthoptist." British and Irish Orthoptic Journal Aug. 2009.

MLA (9th ed.) Citation

Piano, Marianne E. F., et al. "Grapheme-colour Synaesthesia and the Orthoptist." British and Irish Orthoptic Journal, Aug. 2009.

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