APA Style

Polit, D, F., Hungler, B, P. (1993). Essentials of Nursing Research: Methods, Appraisal and Utilization (3rd). Philadelphia: J. B. Lippincott Company.

MLA Style

Polit, Denise, F.., Hungler, Bernadette, P.. "Essentials of Nursing Research: Methods, Appraisal and Utilization". 3rd Philadelphia: J. B. Lippincott Company, 1993. Text.