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