APA

National Institutes of Health (U.S.), . (1972). Certification in allied health professions: proceedings, invitational conference, Sept. 7-10, 1971 [with bibliography]. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1972. Certification in allied health professions: proceedings, invitational conference, Sept. 7-10, 1971 [with bibliography]. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1972). Certification in allied health professions: proceedings, invitational conference, Sept. 7-10, 1971 [with bibliography]. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Certification in allied health professions: proceedings, invitational conference, Sept. 7-10, 1971 [with bibliography]. [Washington, D.C: . 1972.