APA (7th ed.) Citation

Andersen, P. F. (1993). A manual of instructional problems for the U.S.G.S. Modflow model. National Technical Information Service.

Chicago Style (17th ed.) Citation

Andersen, Peter F. A Manual of Instructional Problems for the U.S.G.S. Modflow Model. Springfield: National Technical Information Service, 1993.

MLA (8th ed.) Citation

Andersen, Peter F. A Manual of Instructional Problems for the U.S.G.S. Modflow Model. National Technical Information Service, 1993.

Warning: These citations may not always be 100% accurate.