Holzhueter, J. O. (1974). Madeline Island & the Chequamegon region. State Historical Society of Wisconsin.
Cita Chicago (17th ed.)Holzhueter, John O. Madeline Island & the Chequamegon Region. [Madison]: State Historical Society of Wisconsin, 1974.
Cita MLA (9th ed.)Holzhueter, John O. Madeline Island & the Chequamegon Region. State Historical Society of Wisconsin, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.