APA

Woodward R. L., . (1976). Central America. New York: Oxford University Press.

Chicago

Woodward Ralph Lee, . 1976. Central America. New York: Oxford University Press.

Harvard

Woodward R. L., . (1976). Central America. New York: Oxford University Press.

MLA

Woodward Ralph Lee, . Central America. New York: Oxford University Press. 1976.