Ed. by Ravenhill, W. L. D. (1971). Exeter essays in geography: In honour of Arthur Davies. University of Exeter.
Cita Chicago (17th ed.)Ed. by Ravenhill, W. L. D. Exeter Essays in Geography: In Honour of Arthur Davies. Exter: University of Exeter, 1971.
Cita MLA (9th ed.)Ed. by Ravenhill, W. L. D. Exeter Essays in Geography: In Honour of Arthur Davies. University of Exeter, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.