APA (7th ed.) Citation

(1963). The economics of outdoor recreation in the Upper Midwest. Social Sciences Research Fund, University of Minnesot Duluth.

Chicago Style (17th ed.) Citation

The Economics of Outdoor Recreation in the Upper Midwest. Duluth: Social Sciences Research Fund, University of Minnesot Duluth, 1963.

MLA (9th ed.) Citation

The Economics of Outdoor Recreation in the Upper Midwest. Social Sciences Research Fund, University of Minnesot Duluth, 1963.

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