Cita APA

Simpson, J., & Collins, A. (2008). Touching the void (abridged version). Macmillan.

Citación estilo Chicago

Simpson, Joe, and Anne Collins. Touching the Void (abridged Version). Oxford: Macmillan, 2008.

Cita MLA

Simpson, Joe, and Anne Collins. Touching the Void (abridged Version). Macmillan, 2008.