Foster, S., & Johnson, R. L. (2008). National Geographic desk reference to nature's medicine. National Geographic ; Publishers Group UK [distributor].
Chicago Style (17th ed.) CitationFoster, Steven, and Rebecca L. Johnson. National Geographic Desk Reference to Nature's Medicine. Washington, D.C. : Enfield: National Geographic ; Publishers Group UK [distributor], 2008.
MLA引文Foster, Steven, and Rebecca L. Johnson. National Geographic Desk Reference to Nature's Medicine. National Geographic ; Publishers Group UK [distributor], 2008.
警告:這些引文格式不一定是100%准確.