National Geographic Society (U.S.). (2023). Great outdoors U.S.A: 1,000 adventures across all 50 states. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Geographic Society (U.S.). Great Outdoors U.S.A: 1,000 Adventures Across All 50 States. Washington, D.C.: National Geographic, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Geographic Society (U.S.). Great Outdoors U.S.A: 1,000 Adventures Across All 50 States. National Geographic, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.