Cita APA (7a ed.)

Isard, W. (1975). Introduction to regional science. Prentice-Hall.

Cita Chicago Style (17a ed.)

Isard, Walter. Introduction to Regional Science. Englewood Cliffs, New Jersey: Prentice-Hall, 1975.

Cita MLA (9a ed.)

Isard, Walter. Introduction to Regional Science. Prentice-Hall, 1975.