APA (7th ed.) Citation

Unstead, R. J., & Herbert, S. (1973). Crown and parliament: 1485 - 1688. Black.

Chicago Style (17th ed.) Citation

Unstead, R. J., and Stanley Herbert. Crown and Parliament: 1485 - 1688. London: Black, 1973.

MLA (9th ed.) Citation

Unstead, R. J., and Stanley Herbert. Crown and Parliament: 1485 - 1688. Black, 1973.