APA Edition Citation

Perkins, J. W. (1971). Geology explained in South and East Devon / illustrations by the author. David and Charles.

Chicago Edition Citation

Perkins, John W. Geology Explained in South and East Devon / Illustrations by the Author. Newton Abbot: David and Charles, 1971.

MLA Edition Citation

Perkins, John W. Geology Explained in South and East Devon / Illustrations by the Author. David and Charles, 1971.

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