National Geographic Partners (U.S.). (2025). National Geographic kids almanac 2026 (U.S. edition.). National Geographic.
Chicago Style (17th ed.) CitationNational Geographic Partners (U.S.). National Geographic Kids Almanac 2026. U.S. edition. Washington, D.C.: National Geographic, 2025.
MLA引文National Geographic Partners (U.S.). National Geographic Kids Almanac 2026. U.S. edition. National Geographic, 2025.
警告:這些引文格式不一定是100%准確.