Hanson, T. (2008). The impenetrable forest: My gorilla years in Uganda. 1500 Books.
Cita Chicago Style (17a ed.)Hanson, Thor. The Impenetrable Forest: My Gorilla Years in Uganda. Warwick, N.Y.: 1500 Books, 2008.
Cita MLA (8a ed.)Hanson, Thor. The Impenetrable Forest: My Gorilla Years in Uganda. 1500 Books, 2008.
Precaución: Estas citas no son 100% exactas.