APA (7th ed.) Citation

Polit, D. F., & Hungler, B. P. (1995). Nursing research: Principles and methods (4th ed.). J.B. Lippincott company.

Chicago Style (17th ed.) Citation

Polit, Denise F., and Bernadette P. Hungler. Nursing Research: Principles and Methods. 4th ed. Philadephoa: J.B. Lippincott company, 1995.

MLA (9th ed.) Citation

Polit, Denise F., and Bernadette P. Hungler. Nursing Research: Principles and Methods. 4th ed. J.B. Lippincott company, 1995.