Cita APA (7th ed.)

ABLER, R. (1972). Spatial organization: The geographer's view of of the world. Prentice-Hall.

Cita Chicago (17th ed.)

ABLER, Ronald. Spatial Organization: The Geographer's View of of the World. London: Prentice-Hall, 1972.

Cita MLA (9th ed.)

ABLER, Ronald. Spatial Organization: The Geographer's View of of the World. Prentice-Hall, 1972.