APA (7th ed.) Citation

Parker, S. (1991). Eating a meal: How you digest your food. Franklin Watts.

Chicago Style (17th ed.) Citation

Parker, Steve. Eating a Meal: How You Digest Your Food. New York: Franklin Watts, 1991.

MLA (9th ed.) Citation

Parker, Steve. Eating a Meal: How You Digest Your Food. Franklin Watts, 1991.