APA (7th ed.) Citation

Underdown, D. (1971). Royalist conspiracy in England, 1649-1660 / by D. Underdown. Archon Books.

Chicago Style (17th ed.) Citation

Underdown, D. Royalist Conspiracy in England, 1649-1660 / by D. Underdown. Archon Books, 1971.

MLA (9th ed.) Citation

Underdown, D. Royalist Conspiracy in England, 1649-1660 / by D. Underdown. Archon Books, 1971.

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