Polit, D. F., & Beck, C. T. (2004). Nursing research: Principles and methods (7. edition.). Philadelphia: Lippincott Williams & Wilkins.
Chicago Style CitationPolit, Denise F., and Cheryl Tatano Beck. Nursing Research: Principles and Methods. 7. edition. Philadelphia: Lippincott Williams & Wilkins, 2004.
MLA CitationPolit, Denise F., and Cheryl Tatano Beck. Nursing Research: Principles and Methods. 7. edition. Philadelphia: Lippincott Williams & Wilkins, 2004.
Warning: These citations may not always be 100% accurate.