APA

Langley D. L., . (1980). The United States and the Carbbean in the twentieth century. London: The University of Georgia Press.

Chicago

Langley D Lester, . 1980. The United States and the Carbbean in the twentieth century. London: The University of Georgia Press.

Harvard

Langley D. L., . (1980). The United States and the Carbbean in the twentieth century. London: The University of Georgia Press.

MLA

Langley D Lester, . The United States and the Carbbean in the twentieth century. London: The University of Georgia Press. 1980.