APA (7th ed.) Citation

Gadd, I., & Gadd, L. (1985). Arthritis alternatives. Facts on File.

Chicago Style (17th ed.) Citation

Gadd, Irna, and Laurence Gadd. Arthritis Alternatives. New York, N.Y.: Facts on File, 1985.

MLA (9th ed.) Citation

Gadd, Irna, and Laurence Gadd. Arthritis Alternatives. Facts on File, 1985.