APA (7th ed.) Citation

Smith, W. (1667). An epistle to friends. publisher not identified.

Chicago Style (17th ed.) Citation

Smith, William. An Epistle to Friends. [S.l.: publisher not identified, 1667.

MLA (9th ed.) Citation

Smith, William. An Epistle to Friends. publisher not identified, 1667.

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