APA Edition Citation

Polit, D. F., & Beck , C. T. (2006). Nursing Research - Principles and Methods (7th ed.). Lippincott Williams & Wilkins.

Chicago Edition Citation

Polit, Denise F., and Cheryl Tatano Beck. Nursing Research - Principles and Methods. 7th ed. New Delhi: Lippincott Williams & Wilkins, 2006.

MLA Edition Citation

Polit, Denise F., and Cheryl Tatano Beck. Nursing Research - Principles and Methods. 7th ed. Lippincott Williams & Wilkins, 2006.