APA引文

Whitehead, R. L. (1994). Ground water atlas of the United States. U.S. Geological Survey ; For Sale by Map Distribution.

Chicago Style (17th ed.) Citation

Whitehead, R. L. Ground Water Atlas of the United States. Reston, Va. : Denver, Colo.: U.S. Geological Survey ; For Sale by Map Distribution, 1994.

MLA引文

Whitehead, R. L. Ground Water Atlas of the United States. U.S. Geological Survey ; For Sale by Map Distribution, 1994.

警告：這些引文格式不一定是100％准確.