Cita APA (7th ed.)
ebrary, Inc, Sieloff, C. L., Frey, M. A., & King, I. M. (2007). Middle range theory development using King's conceptual system. Springer Pub. Co..
Cita Chicago (17th ed.)
ebrary, Inc, Christina L. Sieloff, Maureen A. Frey, i Imogene M. King. Middle Range Theory Development Using King's Conceptual System. New York: Springer Pub. Co., 2007.
Cita MLA (9th ed.)
ebrary, Inc, et al. Middle Range Theory Development Using King's Conceptual System. Springer Pub. Co., 2007.
Atenció: Aquestes cites poden no estar 100% correctes.