Cita APA (7th ed.)
Polit, D. F., & Beck, C. T. (2010). Essentials of nursing research: Appraising evidence for nursing practice (7th ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Cita Chicago (17th ed.)
Polit, Denise F., i Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 7th ed. Philadelphia PA: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.
Cita MLA (9th ed.)
Polit, Denise F., i Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 7th ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.