Cita APA (7a ed.)
Schwab, L. (1990). Eye care in developing nations (2nd ed.). Oxford University Press.
Cita Chicago Style (17a ed.)
Schwab, Larry. Eye Care in Developing Nations. 2nd ed. New York: Oxford University Press, 1990.
Cita MLA (9a ed.)
Schwab, Larry. Eye Care in Developing Nations. 2nd ed. Oxford University Press, 1990.
Precaución: Estas citas no son 100% exactas.