Gaya APA

Smith, M, J, P, R, F., Liehr, P, R, P, R. (). Middle Range Theory for Nursing, 4th Edition . : .

Gaya MLA

Smith, Mary, Jane,, PhD,, RN,, FAAN., Liehr, Patricia, R.,, PhD,, RN. "Middle Range Theory for Nursing, 4th Edition". : , . Text.