APA (7th ed.) Citation

Opinion Research Corporation International, Fitness Industry Association, McKenna, J., & Wallace, N. Why people quit : UK health and fitness clubs : a survey of lapsed members / research conducted by Opinion Research Corporation International / analysis and comment compiled by Jim McKenna and Nigel Wallace: UK health and fitness clubs. FIA.

Chicago Style (17th ed.) Citation

Opinion Research Corporation International, Fitness Industry Association, Jim McKenna, and Nigel Wallace. Why People Quit : UK Health and Fitness Clubs : A Survey of Lapsed Members / Research Conducted by Opinion Research Corporation International / Analysis and Comment Compiled by Jim McKenna and Nigel Wallace: UK Health and Fitness Clubs. London: FIA.

MLA (9th ed.) Citation

Opinion Research Corporation International, et al. Why People Quit : UK Health and Fitness Clubs : A Survey of Lapsed Members / Research Conducted by Opinion Research Corporation International / Analysis and Comment Compiled by Jim McKenna and Nigel Wallace: UK Health and Fitness Clubs. FIA.

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