APA (7th ed.) Citation

Keith Ray. (1985). The Extremely serious guide to fitness & health. Columbus Book.

Chicago Style (17th ed.) Citation

Keith Ray. The Extremely Serious Guide to Fitness & Health. London: Columbus Book, 1985.

MLA (8th ed.) Citation

Keith Ray. The Extremely Serious Guide to Fitness & Health. Columbus Book, 1985.

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