APA
Barre Pritchett, . (1957). Cumulated Index. USA: US Department Of Health.
Chicago
Barre Pritchett, . 1957. Cumulated Index. USA: US Department Of Health.
Harvard
Barre Pritchett, . (1957). Cumulated Index. USA: US Department Of Health.
MLA
Barre Pritchett, . Cumulated Index. USA: US Department Of Health. 1957.