Cita APA (7a ed.)

Wilson, D. A., & Robbins, W. C. (1969). Formulas and tables for point-sampling in forestry inventory. University of Maine.

Cita Chicago Style (17a ed.)

Wilson, Donald A., y Wallace C. Robbins. Formulas and Tables for Point-sampling in Forestry Inventory. Orono: University of Maine, 1969.

Cita MLA (8a ed.)

Wilson, Donald A., y Wallace C. Robbins. Formulas and Tables for Point-sampling in Forestry Inventory. University of Maine, 1969.