APA
Chambers R., . (2007). Beat back pain : find your way to ease the strain. Upper Saddle River, NJ: Pearson Education.
Chicago
Chambers Ruth, . 2007. Beat back pain : find your way to ease the strain. Upper Saddle River, NJ: Pearson Education.
Harvard
Chambers R., . (2007). Beat back pain : find your way to ease the strain. Upper Saddle River, NJ: Pearson Education.
MLA
Chambers Ruth, . Beat back pain : find your way to ease the strain. Upper Saddle River, NJ: Pearson Education. 2007.