Παραπομπή σε μορφή APA (7η εκδ.)

George, J. B. (1985). Nursing theories: хthe иbase for professional nursing practice (4th ed.). Prentice-Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

George, Julia B. Nursing Theories: хthe иbase for Professional Nursing Practice. 4th ed. Englewood Cliffs: Prentice-Hall, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

George, Julia B. Nursing Theories: хthe иbase for Professional Nursing Practice. 4th ed. Prentice-Hall, 1985.