APA (7th ed.) Citation

Newcastle, M. C. (1664). CCXI [i.e. Two hundred eleven] sociable letters. Printed by William Wilson.

Chicago Style (17th ed.) Citation

Newcastle, Margaret Cavendish. CCXI [i.e. Two Hundred Eleven] Sociable Letters. London: Printed by William Wilson, 1664.

MLA (9th ed.) Citation

Newcastle, Margaret Cavendish. CCXI [i.e. Two Hundred Eleven] Sociable Letters. Printed by William Wilson, 1664.

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