Skurka, A. (2017). The ultimate hiker's gear guide: Tools & techniques to hit the trail (Second edition.). National Geographic.
Cita Chicago Style (17a ed.)Skurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. Washington, D.C.: National Geographic, 2017.
Cita MLA (8a ed.)Skurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. National Geographic, 2017.
Precaución: Estas citas no son 100% exactas.