APA
Neuman B. M., Fawcett J., . (2011). The Neuman systems model. Boston: Pearson.
Chicago
Neuman Betty M, Fawcett Jacqueline, . 2011. The Neuman systems model. Boston: Pearson.
Harvard
Neuman B. M., Fawcett J., . (2011). The Neuman systems model. Boston: Pearson.
MLA
Neuman Betty M, Fawcett Jacqueline, . The Neuman systems model. Boston: Pearson. 2011.