Cita APA (7a ed.)

Spurr, S. H., & Barnes, B. V. (1980). Forest ecology (3d ed.). Wiley.

Cita Chicago Style (17a ed.)

Spurr, Stephen Hopkins, y Burton Vane Barnes. Forest Ecology. 3d ed. New York: Wiley, 1980.

Cita MLA (9a ed.)

Spurr, Stephen Hopkins, y Burton Vane Barnes. Forest Ecology. 3d ed. Wiley, 1980.