APA (7th ed.) Citation

Williams, R. J. (1977). The wonderful world within you: Your inner nutritional environment. Bantam Books.

Chicago Style (17th ed.) Citation

Williams, Roger John. The Wonderful World Within You: Your Inner Nutritional Environment. New York: Bantam Books, 1977.

MLA (9th ed.) Citation

Williams, Roger John. The Wonderful World Within You: Your Inner Nutritional Environment. Bantam Books, 1977.