APA (7th ed.) Citation

Hof, J. G. (1979). Projection and valuation of outdoor recreation use of forest lands. [publisher not identified].

Chicago Style (17th ed.) Citation

Hof, John Gerrit. Projection and Valuation of Outdoor Recreation Use of Forest Lands. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Hof, John Gerrit. Projection and Valuation of Outdoor Recreation Use of Forest Lands. [publisher not identified], 1979.