APA (7th ed.) Citation

Hall, N. (2013). Principles of reflexolgy: What it is, how it works, and what it can do for you (Revised edition.). Singing Dragon.

Chicago Style (17th ed.) Citation

Hall, Nicola. Principles of Reflexolgy: What It Is, How It Works, and What It Can Do for You. Revised edition. London: Singing Dragon, 2013.

MLA (8th ed.) Citation

Hall, Nicola. Principles of Reflexolgy: What It Is, How It Works, and What It Can Do for You. Revised edition. Singing Dragon, 2013.

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