APA (7th ed.) Citation

Reed, K. S. (1993). Betty Neuman: The Neuman systems model. Sage Publications.

Chicago Style (17th ed.) Citation

Reed, Karen S. Betty Neuman: The Neuman Systems Model. Newbury Park, Calif.: Sage Publications, 1993.

MLA (9th ed.) Citation

Reed, Karen S. Betty Neuman: The Neuman Systems Model. Sage Publications, 1993.