APA (7th ed.) Citation

Williams. (1979). The Guinness guide to equestrianism. Guinness Superlative.

Chicago Style (17th ed.) Citation

Williams. The Guinness Guide to Equestrianism. London: Guinness Superlative, 1979.

MLA (8th ed.) Citation

Williams. The Guinness Guide to Equestrianism. Guinness Superlative, 1979.

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