APA

National Institutes of Health (U.S.), . (1970). Feet first: booklet about foot care for older persons and people who have diabetes. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1970. Feet first: booklet about foot care for older persons and people who have diabetes. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1970). Feet first: booklet about foot care for older persons and people who have diabetes. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Feet first: booklet about foot care for older persons and people who have diabetes. [Washington, D.C: . 1970.