Polit, D. F., & Hungler, B. P. (1998). Nursing research: Principles and methods (6. edition.). Philadelphia: Lippincott.
Chicago Style CitationPolit, Denise F., and Bernadette P. Hungler. Nursing Research: Principles and Methods. 6. edition. Philadelphia: Lippincott, 1998.
MLA CitationPolit, Denise F., and Bernadette P. Hungler. Nursing Research: Principles and Methods. 6. edition. Philadelphia: Lippincott, 1998.
Warning: These citations may not always be 100% accurate.