Cita APA

Hartshorne, R. (1939). The nature of geography: A critical survey of current thought in the light of the past. The Association.

Citación estilo Chicago

Hartshorne, Richard. The Nature of Geography: A Critical Survey of Current Thought in the Light of the Past. Lancaster, Pa: The Association, 1939.

Cita MLA

Hartshorne, Richard. The Nature of Geography: A Critical Survey of Current Thought in the Light of the Past. The Association, 1939.

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