Gaya APA

Parker, M, E., Smith, M, C. (2010). Nursing Theories & Nursing Practice=third edition (Third Edition). Philadelphia: F.A. Davis Company.

Gaya MLA

Parker, Marilyn, E.., Smith, Marlaine, C.. "Nursing Theories & Nursing Practice=third edition". Third Edition Philadelphia: F.A. Davis Company, 2010. Text.