Cita APA (7th ed.)
Collins, S. D. (1957). A Review and study of illness and medical care: With special reference to long-time trends. U.S.Depart.of Health, Education and Welfare.
Cita Chicago (17th ed.)
Collins, Selwin D. A Review and Study of Illness and Medical Care: With Special Reference to Long-time Trends. Washington: U.S.Depart.of Health, Education and Welfare, 1957.
Cita MLA (9th ed.)
Collins, Selwin D. A Review and Study of Illness and Medical Care: With Special Reference to Long-time Trends. U.S.Depart.of Health, Education and Welfare, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.