APA

Hoover E. M., . (1948). The location of economic activity. New York: McGraw.

Chicago

Hoover Edgar Malone, . 1948. The location of economic activity. New York: McGraw.

Harvard

Hoover E. M., . (1948). The location of economic activity. New York: McGraw.

MLA

Hoover Edgar Malone, . The location of economic activity. New York: McGraw. 1948.