APA引文

Foster, S., & Johnson, R. L. (2008). National Geographic desk reference to nature's medicine. National Geographic ; Publishers Group UK [distributor].

Chicago Style (17th ed.) Citation

Foster, 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.