APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Underdown, David. Royalist Conspiracy in England, 1649-1660. [Hamden, Conn.]: Archon Books, 1971.

MLA (8th ed.) Citation

Underdown, David. Royalist Conspiracy in England, 1649-1660. Archon Books, 1971.

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