Cita APA (7th ed.)

HOOVER, E. M. (1963). Location of economic activity. McGraw-Hill.

Cita Chicago (17th ed.)

HOOVER, Edgar M. Location of Economic Activity. New York: McGraw-Hill, 1963.

Cita MLA (9th ed.)

HOOVER, Edgar M. Location of Economic Activity. McGraw-Hill, 1963.