APA (7th ed.) Citation

Marsh, H. (1970). Dark Age Britain: Some sources of history. David & Charles.

Chicago Style (17th ed.) Citation

Marsh, Henry. Dark Age Britain: Some Sources of History. Newton Abbot: David & Charles, 1970.

MLA (9th ed.) Citation

Marsh, Henry. Dark Age Britain: Some Sources of History. David & Charles, 1970.

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