Cita APA

Shigo, A. L. (1991). Modern arboriculture: A systems approach to the care of trees and their associates. Durham, Estados Unidos: Shigo and Trees Associates.

Citación estilo Chicago

Shigo, Alex L. Modern Arboriculture: A Systems Approach to the Care of Trees and Their Associates. Durham, Estados Unidos: Shigo and Trees Associates, 1991.

Cita MLA

Shigo, Alex L. Modern Arboriculture: A Systems Approach to the Care of Trees and Their Associates. Durham, Estados Unidos: Shigo and Trees Associates, 1991.