Cita APA (7a ed.)

Wackerman, A. E. (1949). Harvesting timber crops. McGraw-Hill.

Cita Chicago Style (17a ed.)

Wackerman, A. E. Harvesting Timber Crops. New York: McGraw-Hill, 1949.

Cita MLA (8a ed.)

Wackerman, A. E. Harvesting Timber Crops. McGraw-Hill, 1949.