Lowell, J. D., Ruiz, J., Guilbert, J. M., & McDonald, L. (2014). Intrepid explorer: The autobiography of the world's best mine-finder. Sentinel Peak.
Cita Chicago (17th ed.)Lowell, J. David, Joaquin Ruiz, John M. Guilbert, i Leigh McDonald. Intrepid Explorer: The Autobiography of the World's Best Mine-finder. Tucson, Arizona: Sentinel Peak, 2014.
Cita MLA (9th ed.)Lowell, J. David, et al. Intrepid Explorer: The Autobiography of the World's Best Mine-finder. Sentinel Peak, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.