APA引文

National Geographic Society (U.S.). (2023). Great outdoors U.S.A: 1,000 adventures across all 50 states. National Geographic.

Chicago Style (17th ed.) Citation

National Geographic Society (U.S.). Great Outdoors U.S.A: 1,000 Adventures Across All 50 States. Washington, D.C.: National Geographic, 2023.

MLA引文

National Geographic Society (U.S.). Great Outdoors U.S.A: 1,000 Adventures Across All 50 States. National Geographic, 2023.

警告：這些引文格式不一定是100％准確.