APA

National Institutes of Health (U.S.), . (1971). Future directions of doctoral education for nurses: report of conference, Jan. 20, 1971, Bethesda, Md. [with lists of references]. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1971. Future directions of doctoral education for nurses: report of conference, Jan. 20, 1971, Bethesda, Md. [with lists of references]. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1971). Future directions of doctoral education for nurses: report of conference, Jan. 20, 1971, Bethesda, Md. [with lists of references]. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Future directions of doctoral education for nurses: report of conference, Jan. 20, 1971, Bethesda, Md. [with lists of references]. [Washington, D.C: . 1971.