APA (7th ed.) Citation

Dreghorn, W. (1968). Geology explained in the forest of Dean and Wye Valley. David & Charles.

Chicago Style (17th ed.) Citation

Dreghorn, William. Geology Explained in the Forest of Dean and Wye Valley. Newton Abbot: David & Charles, 1968.

MLA (9th ed.) Citation

Dreghorn, William. Geology Explained in the Forest of Dean and Wye Valley. David & Charles, 1968.

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