APA Style

Polit, D, F., Beck, C, T. (2008). Essentials of Nursing Research: Appraising Evidence for Nursing Practice (7th). Philadelphia: Lippincott Williams & Wilkin.

MLA Style

Polit, Denise, F.., Beck, Cheryl, Tatano. "Essentials of Nursing Research: Appraising Evidence for Nursing Practice". 7th Philadelphia: Lippincott Williams & Wilkin, 2008. Text.