Cita APA (7th ed.)

Woudenberg, S. W., & Farrenkopt, T. O. (1995). The westwide forest inventory data base: User's manual. Intermountain Research Station.

Cita Chicago (17th ed.)

Woudenberg, Sharon W., i Thomas O. Farrenkopt. The Westwide Forest Inventory Data Base: User's Manual. Ogden: Intermountain Research Station, 1995.

Cita MLA (9th ed.)

Woudenberg, Sharon W., i Thomas O. Farrenkopt. The Westwide Forest Inventory Data Base: User's Manual. Intermountain Research Station, 1995.