APA

Department of Health E. a. W. (., . (196). No laughing matter. Washington: Department of Health, Education and Welfare.

Chicago

Department of Health Education and Welfare (U.S.A), . 196. No laughing matter. Washington: Department of Health, Education and Welfare.

Harvard

Department of Health E. a. W. (., . (196). No laughing matter. Washington: Department of Health, Education and Welfare.

MLA

Department of Health Education and Welfare (U.S.A), . No laughing matter. Washington: Department of Health, Education and Welfare. 196.