APA引文

National Geographic Book Service. (2018). National Geographic guide to scenic highways & byways (Fifth edition.). National geographic.

Chicago Style (17th ed.) Citation

National Geographic Book Service. National Geographic Guide to Scenic Highways & Byways. Fifth edition. Washington, D.C.: National geographic, 2018.

MLA引文

National Geographic Book Service. National Geographic Guide to Scenic Highways & Byways. Fifth edition. National geographic, 2018.

警告：這些引文格式不一定是100％准確.