Cita APA (7a ed.)

Christaller, W. (1966). Central places in Southern Germany. Prentice - Hall.

Cita Chicago Style (17a ed.)

Christaller, Walter. Central Places in Southern Germany. Englewood .Cliffs N. J.: Prentice - Hall, 1966.

Cita MLA (9a ed.)

Christaller, Walter. Central Places in Southern Germany. Prentice - Hall, 1966.