Cita APA (7a ed.)

Mark Twain Circle. (1987). Mark Twain circular. Published in association with the Mark Twain Circle.

Cita Chicago Style (17a ed.)

Mark Twain Circle. Mark Twain Circular. Charleston, S.C.: Published in association with the Mark Twain Circle, 1987.

Cita MLA (8a ed.)

Mark Twain Circle. Mark Twain Circular. Published in association with the Mark Twain Circle, 1987.