APA

Sinnott A., Cushing E. M., . (1978). Summary appraisals of the nation's ground-water resources. Washington, D.C: U.S. Gov. Print. Off.

Chicago

Sinnott Allen, Cushing Elliot M, . 1978. Summary appraisals of the nation's ground-water resources. Washington, D.C: U.S. Gov. Print. Off.

Harvard

Sinnott A., Cushing E. M., . (1978). Summary appraisals of the nation's ground-water resources. Washington, D.C: U.S. Gov. Print. Off.

MLA

Sinnott Allen, Cushing Elliot M, . Summary appraisals of the nation's ground-water resources. Washington, D.C: U.S. Gov. Print. Off. 1978.