APA

Landon C. E., . (1939). Industrial geography. New York: Prentice-Hall, Inc.

Chicago

Landon Charles Edward, . 1939. Industrial geography. New York: Prentice-Hall, Inc.

Harvard

Landon C. E., . (1939). Industrial geography. New York: Prentice-Hall, Inc.

MLA

Landon Charles Edward, . Industrial geography. New York: Prentice-Hall, Inc. 1939.