Cita APA (7a ed.)

(1973). Scientific directory 1973 and annual bibliography 1972. US Department of Health, Education, and Welfare. National Institutes of Health. Office of Information.

Cita Chicago Style (17a ed.)

Scientific Directory 1973 and Annual Bibliography 1972. Bethesda (Maryland): US Department of Health, Education, and Welfare. National Institutes of Health. Office of Information, 1973.

Cita MLA (9a ed.)

Scientific Directory 1973 and Annual Bibliography 1972. US Department of Health, Education, and Welfare. National Institutes of Health. Office of Information, 1973.