Cita APA (7a ed.)

Perkins, D. N. T., Holtman, M. P., & Murphy, J. B. (2012). Leading at the edge: Leadership lessons from the extraordinary saga of Shackleton's Antarctic expedition (2nd ed.). American Management Association.

Cita Chicago Style (17a ed.)

Perkins, Dennis N. T., Margaret P. Holtman, y Jillian B. Murphy. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antarctic Expedition. 2nd ed. New York: American Management Association, 2012.

Cita MLA (9a ed.)

Perkins, Dennis N. T., et al. Leading at the Edge: Leadership Lessons from the Extraordinary Saga of Shackleton's Antarctic Expedition. 2nd ed. American Management Association, 2012.