APA (7th ed.) Citation

Clayden, B. (1971). Soils of the Exeter district [Sheets 325 and 339] / by B. Clayden. Soil Survey of England and Wales.

Chicago Style (17th ed.) Citation

Clayden, B. Soils of the Exeter District [Sheets 325 and 339] / by B. Clayden. Soil Survey of England and Wales, 1971.

MLA (9th ed.) Citation

Clayden, B. Soils of the Exeter District [Sheets 325 and 339] / by B. Clayden. Soil Survey of England and Wales, 1971.

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