APA
(1991). Differentiating nursing practice into the Twenty-first Century. Kansas City, Missouri: American Academy of Nursing.
Chicago
1991. Differentiating nursing practice into the Twenty-first Century. Kansas City, Missouri: American Academy of Nursing.
Harvard
(1991). Differentiating nursing practice into the Twenty-first Century. Kansas City, Missouri: American Academy of Nursing.
MLA
Differentiating nursing practice into the Twenty-first Century. Kansas City, Missouri: American Academy of Nursing. 1991.