Cita APA

Knowles, R. (1981). Economic and Social Geography (Fourth Edition). ELSEVIER.

Citación estilo Chicago

Knowles, R. Economic and Social Geography (Fourth Edition). ELSEVIER, 1981.

Cita MLA

Knowles, R. Economic and Social Geography (Fourth Edition). ELSEVIER, 1981.

Warning: These citations may not always be 100% accurate.