APA (7th ed.) Citation

Jones, R. B. (1970). The old British tongue: The vernacular in Wales 1540-1640. Avalon Books.

Chicago Style (17th ed.) Citation

Jones, R. B. The Old British Tongue: The Vernacular in Wales 1540-1640. Cardiff: Avalon Books, 1970.

MLA (9th ed.) Citation

Jones, R. B. The Old British Tongue: The Vernacular in Wales 1540-1640. Avalon Books, 1970.

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