APA (7th ed.) Citation

Roemer, M. I. (1991). National health systems of the world. Oxford University Press.

Chicago Style (17th ed.) Citation

Roemer, Milton Irwin. National Health Systems of the World. New York: Oxford University Press, 1991.

MLA (9th ed.) Citation

Roemer, Milton Irwin. National Health Systems of the World. Oxford University Press, 1991.