National Geographic Book Service. (2018). National Geographic guide to scenic highways & byways (Fifth edition.). National geographic.
Цитирование в стиле Чикаго (17-е изд.)National Geographic Book Service. National Geographic Guide to Scenic Highways & Byways. Fifth edition. Washington, D.C.: National geographic, 2018.
Цитирование MLA (8-е изд.)National Geographic Book Service. National Geographic Guide to Scenic Highways & Byways. Fifth edition. National geographic, 2018.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.