APA
Cunningham B. V., . (1951). Psychology for nurses. New York: Appleton Century-Crofts.
Chicago
Cunningham Bess Virginia, . 1951. Psychology for nurses. New York: Appleton Century-Crofts.
Harvard
Cunningham B. V., . (1951). Psychology for nurses. New York: Appleton Century-Crofts.
MLA
Cunningham Bess Virginia, . Psychology for nurses. New York: Appleton Century-Crofts. 1951.