Skurka, A. (2017). The ultimate hiker's gear guide: Tools & techniques to hit the trail (Second edition.). National Geographic.
Цитирование в стиле Чикаго (17-е изд.)Skurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. Washington, D.C.: National Geographic, 2017.
Цитирование MLA (8-е изд.)Skurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. National Geographic, 2017.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.