APA

Field G. L., . (1951). Goverments in modern society. New York: McGraw-Hill.

Chicago

Field George Lowell, . 1951. Goverments in modern society. New York: McGraw-Hill.

Harvard

Field G. L., . (1951). Goverments in modern society. New York: McGraw-Hill.

MLA

Field George Lowell, . Goverments in modern society. New York: McGraw-Hill. 1951.