APA

United States, . (1965). Active research grants of Bureau of State Services-Environmental Health, U.S. Public Health Service, active as of June 30, 1965. [Washington, D.C: .

Chicago

United States, . 1965. Active research grants of Bureau of State Services-Environmental Health, U.S. Public Health Service, active as of June 30, 1965. [Washington, D.C: .

Harvard

United States, . (1965). Active research grants of Bureau of State Services-Environmental Health, U.S. Public Health Service, active as of June 30, 1965. [Washington, D.C: .

MLA

United States, . Active research grants of Bureau of State Services-Environmental Health, U.S. Public Health Service, active as of June 30, 1965. [Washington, D.C: . 1965.