Cita APA (7th ed.)

SMITH, D. M. (1975). Patterns in human geography: An introduction to numerical methods. David & charles.

Cita Chicago (17th ed.)

SMITH, David M. Patterns in Human Geography: An Introduction to Numerical Methods. Newton Abbot: David & charles, 1975.

Cita MLA (9th ed.)

SMITH, David M. Patterns in Human Geography: An Introduction to Numerical Methods. David & charles, 1975.