APA (7th ed.) Citation

Parker, A. (1660). An epistle to Friends. publisher not identified.

Chicago Style (17th ed.) Citation

Parker, Alexander. An Epistle to Friends. [London?: publisher not identified, 1660.

MLA (9th ed.) Citation

Parker, Alexander. An Epistle to Friends. publisher not identified, 1660.

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